The number 139

Representation numerals

Greek numeral

ρλθʹ

Arabic numeral

١٣٩

Roman numeral

CXXXIX

Maya numeral

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Chinese numeral

一百三十九

Hebrew numeral

קלט
Numeral systems
Binary: 10001011
Septimal (base 7): 256
Octal: 213
Hexadecimal: 8b
Base 24: 5J
Factorization
139 is a prime number (Gaussian prime)
Sums & differences
Difference of 2 squares: 139 = 702 - 692
Characteristics
Related primes
The 139th prime number is: 797
Previous prime number: 137 — Next prime number: 149

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