blackpenredpen has published 8 sponsored videos with 3 brands tracked by SponsorRadar, most recently Brilliant.org on January 27, 2026. The channel has 1.4M subscribers and a typical upload gets 26.2K views, which puts a sponsored video at an estimated $523 to $1.0K. Estimated income from ads and sponsorships is $1.2K to $3.0K a month.
Updated
Your sponsors, your rate and a media kit, read from your videos.
Ad revenue from upload pace and average views, plus sponsorship income from the deals detected in the last 12 months. Estimates from public data and published benchmarks, shown as ranges, not rates set or confirmed by the creator.
Full estimate with peers and a share link · How we estimate · Memberships, affiliate links and merch are not included.
Lifetime views per upload with estimated AdSense and sponsorship value. Sponsored videos show the brand we detected.
| Video | Views | Sponsor | |
|---|---|---|---|
| November 2026 | |||
 How Mathematicians Skip Hard Integrals and Use Squeeze Theorem (limit of arc length on y=x^n)Nov 12 | 17.5K | $105–$263 | – |
 Can you solve this Bessel's Differential Equation? x^2y''+xy'+(x^2-1/4)y=0Nov 11 | 12.3K | $74–$184 | – |
 Disc Method or Shell Method? The Secret to Rotating y = sin(x^2)Nov 8 | 12.3K | $74–$185 | – |
 Can we solve a quadratic equation using logarithm?Nov 1 | 59.2K | $355–$888 | – |
| October 2026 | |||
 I can "prove" 1=2 without dividing by 0Oct 27 | 44.1K | $265–$662 | – |
 Factoring 100 Polynomials In One Take!Oct 23 | 26.2K | $157–$393 | – |
 10 Rational Function Problems That Separate Experts from BeginnersOct 14 | 26.7K | $160–$400 | – |
 If y^y=x, then dy/dx=? (ft. Lambert W function)Oct 9 | 34.2K | $205–$514 | – |
 How to set up optimization problems (20 common calculus 1 questions)Oct 3 | 26.1K | $157–$392 | – |
Estimates, not actuals. AdSense is estimated from lifetime views at typical Education RPM ($6–$15 per 1,000 views); sponsorship value from Education sponsorship CPM benchmarks ($20–$40 per 1,000 views, reviewed July 2026). Sponsor detections come from video content and are deduced from evidence, not confirmed by the channel or brand.
Brands that have sponsored blackpenredpen's videos
The latest deals we detected on blackpenredpen
blackpenredpen is a YouTube channel based in US with 1,440,000 subscribers. blackpenredpen's top sponsor is Brilliant.org who sponsored 4 videos. blackpenredpen has worked with 3 distinct brands, including major partners like Brilliant.org, Chegg, Che.
Channels in the same space, with their own sponsorship data
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