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blackpenredpen

blackpenredpen

US
@blackpenredpen
2.4K
Video Count
228.7M
Video View
1.4M
Subscriber
#9,639
United States Rank
#40,291
Global Rank
2.4K
Video Count
228.7M
Video View
1.4M
Subscriber
#9,639
United States Rank
#40,291
Global Rank
OverviewVideosOutliersStatisticsSimilar ChannelsTimelineRetention AnalyticsAbout

blackpenredpen YouTube Statistics & Analytics

Channel Rankings

Global & Regional Performance

Global Rank
Top 20.21%
#40.3Kof 199.3K
Falling
🇺🇸United States Rank
Top 32.96%
#9.6Kof 29.2K
Falling
Main CategoryEducation
Global:#824Top 25.5%
United States:#146Top 45.2%

2.4K

Total Videos

Content Library

228.7M

Total Views

Lifetime Views

1.4M

Subscribers

Community Size

5.11%

Engagement Rate

Audience Interaction

Video Performance

Average Views per Video
21.3K
Average Likes per Video
990
Average Comments per Video
96
Recent Performance
16.4K-23%

Upload Analysis

Upload Frequency
Weekly
Consistency Score
96%
Subscriber Engagement
1.51%

Best Performing Video

Top performer by views

I’m sorry, I have been saying “let x=1” wrong for 13 years

101.6K

Views

5.4K

Likes

919

Comments

Published: 4 months ago

Needs Improvement

Opportunity for growth

How to find a delta for a specific epsilon (epsilon-delta definition of a limit)

2.5K

Views

179

Likes

14

Comments

Published: 2 months ago

Long Video Statistics

Analysis of 50 long-form videos

50
Long Videos
21.3K
Avg Views
27:50
Avg Duration
+0%
vs All Videos

Duration Distribution

Short Long (1-3 min)1 videos (2%)
Medium (3-10 min)17 videos (34%)
Long (10-30 min)20 videos (40%)
Very Long (30+ min)12 videos (24%)
Total Views
1.1M
Total Likes
49.5K
Total Comments
4.8K

Top Performing Long Video

I’m sorry, I have been saying “let x=1” wrong for 13 years

101.6K views2:369/8/2025

📈 Long Video Insights

• Long videos make up 100% of total content

• Average performance: Better than channel average

• Most common duration: Long (10-30 min)

Video Frequency Analysis

Upload patterns and optimal timing insights

Long Videos

Long Videos (50)

Upload Frequency
Weekly
Best Publishing Day
Tuesday15 videos
Best Publishing Hour
02:008 videos
Short Videos

Short Videos (0)

Upload Frequency
Insufficient data
Best Publishing Day
No data0 videos
Best Publishing Hour
00:000 videos
Optimal Timing
Best day for long videos:Tuesday
Best hour for long videos:02:00
Content Strategy
Long video frequency:Weekly
Short video frequency:Insufficient data
Content ratio:100% long, 0% short

Top Channel Categories

Content distribution across 2 main categories

🧠

Knowledge

49
videos
98% of contentAvg: 21.2K
-36% growthlast 30 days
📁

Health

1
videos
2% of contentAvg: 24.4K
+0% growthlast 30 days

Category Distribution

2
Categories
Knowledge
98%
Health
2%

Performance Rankings

👑
Health
1 videos
24.4K
+0%
🥈
Knowledge
49 videos
21.2K
-36%

📊 Category Insights

Key performance indicators and trends

Primary Focus

Knowledge dominates with 98% of content

Best Performer

Health has highest avg views

Fastest Growing

Health shows strongest growth

Top Video Tags

Most used tags across 27 tag instances

#calculus

1

Content

27
videos
20.9K
1K
77
+0%
100% usage

Content Tags

1 tags in category

#calculus
27
+0%

Tag Performance Analysis

Comprehensive tag metrics and ROI analysis

TagUsageAvg ViewsEngagementGrowthROI Score
#calculusTop 12720.9K5.26%+0%53/100

🏷️ Tag Strategy Insights

Strategic recommendations and performance highlights

Top Performing Tags
#calculus - Highest usage27 videos
#calculus - Best avg views20.9K
#calculus - Fastest growing+0%
Optimization Opportunities
Focus on Content category tagsHighest performing category
#calculus shows strong growth potentialConsider increasing usage
Consider expanding tag variety in underused categoriesDiversify content strategy

Most Viewed Videos

Top 5 by view count

I’m sorry, I have been saying “let x=1” wrong for 13 years
#1

I’m sorry, I have been saying “let x=1” wrong for 13 years

101.6K101.6K4 months ago
Can x^y=yx?
#2

Can x^y=yx?

73.6K73.6K4 months ago
Trying my first abstract algebra problem in 14 years!
#3

Trying my first abstract algebra problem in 14 years!

57.9K57.9K4 months ago
All solutions to x^2=2^x (remake+notes)
#4

All solutions to x^2=2^x (remake+notes)

48.6K48.6K8 months ago
cube roots of i
#5

cube roots of i

47.9K47.9K8 months ago

Most Liked Videos

Top 5 by like count

I’m sorry, I have been saying “let x=1” wrong for 13 years
#1

I’m sorry, I have been saying “let x=1” wrong for 13 years

5.4K101.6K4 months ago
Can x^y=yx?
#2

Can x^y=yx?

2.7K73.6K4 months ago
Trying my first abstract algebra problem in 14 years!
#3

Trying my first abstract algebra problem in 14 years!

2.6K57.9K4 months ago
cube roots of i
#4

cube roots of i

2.1K47.9K8 months ago
"Dear Bprp, I have a pretty unusual question": If sqrt(a+sqrt(a+sqrt(a)))=128, then floor(a)=?
#5

"Dear Bprp, I have a pretty unusual question": If sqrt(a+sqrt(a+sqrt(a)))=128, then floor(a)=?

2K47.9K10 months ago

Most Commented Videos

Top 5 by comment count

I’m sorry, I have been saying “let x=1” wrong for 13 years
#1

I’m sorry, I have been saying “let x=1” wrong for 13 years

919101.6K4 months ago
Trying my first abstract algebra problem in 14 years!
#2

Trying my first abstract algebra problem in 14 years!

34957.9K4 months ago
Can x^y=yx?
#3

Can x^y=yx?

29273.6K4 months ago
Factoring a trinomial (what I learned in Taiwan vs in US)
#4

Factoring a trinomial (what I learned in Taiwan vs in US)

23746.8K5 months ago
My first x^x congruence: x^x≡2 (mod5)
#5

My first x^x congruence: x^x≡2 (mod5)

22533K9 months ago

Highest Engagement

Top 5 by engagement rate

The perfect trick to solve this equation (two-cube-root!)
#1

The perfect trick to solve this equation (two-cube-root!)

8.52%9K6 months ago
Big Brilliant Integral
#2

Big Brilliant Integral

7.66%18.3K7 months ago
Brilliant Trig Identity Challenge!
#3

Brilliant Trig Identity Challenge!

7.65%4.2K2 months ago
How to find a delta for a specific epsilon (epsilon-delta definition of a limit)
#4

How to find a delta for a specific epsilon (epsilon-delta definition of a limit)

7.59%2.5K2 months ago
Which is bigger: a^3+b^3 or c^3?
#5

Which is bigger: a^3+b^3 or c^3?

6.91%17.4K10 months ago

Performance Summary

Peak performance metrics across all categories

Highest Views
101.6K
I’m sorry, I have been saying ...
Highest Likes
5.4K
I’m sorry, I have been saying ...
Most Comments
919
I’m sorry, I have been saying ...
Best Engagement
8.5%
The perfect trick to solve thi...

Multi-Category Champions

Top performers across multiple categories

I’m sorry, I have been saying “let x=1” wrong for 13 years
👑
I’m sorry, I have been saying “let x=1” wrong for 13 years
viewslikescomments
101.6K5.4K
Can x^y=yx?
🥇
Can x^y=yx?
viewslikescomments
73.6K2.7K
Trying my first abstract algebra problem in 14 years!
🏆
Trying my first abstract algebra problem in 14 years!
viewslikescomments
57.9K2.6K

Key Insights

Performance analysis and recommendations

Performance Highlights

Average 21.3K views per video
5.11% overall engagement rate
weekly upload schedule
96% consistency in uploads

Optimization Opportunities

Focus on subscriber retention and activation
Analyze top-performing content for successful patterns