The number 57

Representation numerals

Greek numeral

νζʹ

Arabic numeral

٥٧

Roman numeral

LVII

Maya numeral

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Chinese numeral

五十七

Hebrew numeral

נז
Numeral systems
Binary: 111001
Septimal (base 7): 111
Octal: 71
Hexadecimal: 39
Base 24: 29
Factorization
57 = 3 × 19
57 has 4 divisors: 1, 3, 19, 57
Sum of all divisors other than 57: 23
Sums & differences
Difference of 2 squares: 57 = 112 - 82 = 292 - 282
Characteristics
57 is a palindromic number in septimal system (111)
57 is a Layland number, 57 = 52 + 25
Related primes
The 57th prime number is: 269
Previous prime number: 53 — Next prime number: 59
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