{"id":411501,"date":"2026-08-26T20:03:37","date_gmt":"2026-08-26T17:03:37","guid":{"rendered":"https:\/\/menhj.com\/videos\/?post_type=watch&#038;p=411501"},"modified":"2026-08-26T20:03:37","modified_gmt":"2026-08-26T17:03:37","slug":"perfect-numbers-even-ones-are-triangular-visual-proof-with-bonus-open-problem","status":"publish","type":"watch","link":"https:\/\/menhj.com\/videos\/watch\/perfect-numbers-even-ones-are-triangular-visual-proof-with-bonus-open-problem\/","title":{"rendered":"Perfect Numbers even ones are Triangular visual proof with bonus open problem"},"content":{"rendered":"<p>1. Perfect Numbers even ones are Triangular visual proof with bonus open problem \u2014 Mathematical Visual Proofs<br \/>\n2. A Triangular Number Identity I visual proof \u2014 Mathematical Visual Proofs<br \/>\n3. Products of Odd Squares and Triangular Numbers visual proof updated version \u2014 Mathematical Visual Proofs<br \/>\n4. Triangular Numbers Modulo 3 visual proof \u2014 Mathematical Visual Proofs<br \/>\n5. The Oldest Unsolved Problem in Math \u2014 Veritasium<br \/>\n6. Sum of Triangular Numbers I visual proof \u2014 Mathematical Visual Proofs<br \/>\n7. Odd Squares as Difference of Triangular Numbers visual proof \u2014 Mathematical Visual Proofs<br \/>\n8. Simple Geometric Proof of Triangular Number Formula \u2014 Mathematical Apology<br \/>\n9. Why 15 degrees makes this triangle perfect Math Teasers \u2014 Curious Equations<br \/>\n10. The Amazing Perfect Numbers Number Theory \u2014 Wrath of Math<br \/>\n11. Perfect Numbers and Even Numbers The theorem they dont want you to know \u2014 Jaymin Shah<br \/>\n12. Bet You Can Solve This Math Problem \u2014 The Phantom of the Math<br \/>\n13. Alternating Sum of Triangular Numbers visual proof without words \u2014 Mathematical Visual Proofs<br \/>\n14. Higher dimensional triangular numbers \u2014 Michael Penn<br \/>\n15. Only 1 Can Solve This Triangle Problem \u2014 Power Of Pi<br \/>\n16. Math Made Simple Why Triangles Add Up to 180\u00b0 \u2014 Math from Zero<br \/>\n17. Euclids Perfects and Mersennes Primes visually \u2014 Mathematical Visual Proofs<br \/>\n18. Perfect Numbers and Mersenne Primes Numberphile \u2014 Numberphile<\/p>\n","protected":false},"featured_media":411502,"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-411501","watch","type-watch","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/menhj.com\/videos\/wp-json\/wp\/v2\/watch\/411501","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/menhj.com\/videos\/wp-json\/wp\/v2\/watch"}],"about":[{"href":"https:\/\/menhj.com\/videos\/wp-json\/wp\/v2\/types\/watch"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/menhj.com\/videos\/wp-json\/wp\/v2\/media\/411502"}],"wp:attachment":[{"href":"https:\/\/menhj.com\/videos\/wp-json\/wp\/v2\/media?parent=411501"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/menhj.com\/videos\/wp-json\/wp\/v2\/categories?post=411501"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/menhj.com\/videos\/wp-json\/wp\/v2\/tags?post=411501"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}