The number 12

Representation numerals

Greek numeral

ιβʹ

Arabic numeral

١٢

Roman numeral

XII

Maya numeral

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Chinese numeral

十二

Hebrew numeral

יב
Numeral systems
Binary: 1100
Septimal (base 7): 15
Octal: 14
Hexadecimal: c
Base 24: C
Factorization
12 = 2 × 2 × 3
12 has 6 divisors: 1, 2, 3, 4, 6, 12
Sum of all divisors other than 12: 16
Sums & differences
Difference of 2 squares: 12 = 42 - 22
Goldbach conjecture: 12 = 7 + 5
Characteristics
12 is a pentagonal number
Related primes
The 12th prime number is: 37
Previous prime number: 11 — Next prime number: 13

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