The number 70

Representation numerals

Greek numeral

ο

Arabic numeral

٧٠

Roman numeral

LXX

Maya numeral

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Chinese numeral

七十

Hebrew numeral

ע
Numeral systems
Binary: 1000110
Septimal (base 7): 130
Octal: 106
Hexadecimal: 46
Base 24: 2M
Factorization
70 = 2 × 5 × 7
70 has 8 divisors: 1, 2, 5, 7, 10, 14, 35, 70
Sum of all divisors other than 70: 74
Sums & differences
Goldbach conjecture: 70 = 67 + 3 = 59 + 11 = 53 + 17 = 47 + 23 = 41 + 29
Characteristics
70 is a pentagonal number
Related primes
The 70th prime number is: 349
Previous prime number: 67 — Next prime number: 71

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