The number 257

Representation numerals

Greek numeral

σνζʹ

Arabic numeral

٢٥٧

Roman numeral

CCLVII

Maya numeral

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Chinese numeral

二百五十七

Hebrew numeral

רנז
Numeral systems
Binary: 100000001
Septimal (base 7): 515
Octal: 401
Hexadecimal: 101
Base 24: AH
Factorization
257 is a prime number
Sums & differences
Difference of 2 squares: 257 = 1292 - 1282
Characteristics
257 is a palindromic number in binary system (100000001)
257 is a palindromic number in septimal system (515)
Related primes
The 257th prime number is: 1621
Previous prime number: 251 — Next prime number: 263
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