Thomas Woolley: 3/4 and Kleiber's Law

Thomas Woolley

• Max Kleiber

Roger Bowley and James Grime: Root 2: Square root of 2 (2の平方根)

James Grime: 17 and Sudoku Clues

• Gary McGuire

Matt Parker: 98 and Grafting Numbers

• Grafting number
• 3 - √5

3 - √5

James Clewett: 15 and Hexadecimal

Matt Parker: 3435: Munchausen number

Matt Parker

James Grime: 31 and Mersenne Primes (メルセンヌ数)

Yuki Usami (宇佐美佑果): 熱唱「ビバスポ！」テーマ曲

Yuki Usami

James Grime: Zero Factorial (０の階乗)

Ria Symonds: 153 and Narcissistic Numbers (ナルシシスト数)

Miho Noguchi (野口美穂): 生Googleマップ音声案内

Miho Noguchi

Dianna Cowern: Bizarre spinning toys: PhiTOP

• PhiTOP
• Inertia
• Angular momentum
• Torque
• Right hand rule
• Gyroscopic Precession

Roger Bowley: 15 bumfit

1. Yan
2. Tan
3. Tethera
4. Pethera
5. Pimp
6. Sethera
7. Lethera
8. Hovera
9. Covera
10. Dik
11. Yan-a-dik
12. Tan-a-dik
13. Tethera-dik
14. Pethera-dik
15. Bumfit
16. Yan-a-bumfit
17. Tan-a-bumfit
18. Tethera-bumfit
19. Pethera-bumfit
20. Figgot

James Grime: 220 and 284: Amicable Numbers (友愛数)