A picture of nerd clock if you search on Google:
Explanation of the twelve:
- Legendre’s constant which says prime numbers appears at the rate of ln(n)
- Infinite series 1+0.5+0.25+…
- ASCII character “3” of code 0x33
- Modular exponentiation
- φ = Golden ratio constant, [1-sqrt(5)]/2
- Factorial(3) = 6
- 0.99999 = 1
- Binary 0b1000
- Base-4 number 21 = 2 \(\times\) 4 + 1 = 9
- Combination 5C2 = 10
- Hex number 0xB = 11
- Cubic root of 1728 = 12