The number 165

Representation numerals

Greek numeral

ρξεʹ

Arabic numeral

١٦٥

Roman numeral

CLXV

Maya numeral

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Chinese numeral

一百六十五

Hebrew numeral

קסה
Numeral systems
Binary: 10100101
Septimal (base 7): 324
Octal: 245
Hexadecimal: a5
Base 24: 6L
Factorization
165 = 3 × 5 × 11
165 has 8 divisors: 1, 3, 5, 11, 15, 33, 55, 165
Sum of all divisors other than 165: 123
Sums & differences
Difference of 2 squares: 165 = 132 - 22 = 192 - 142 = 292 - 262 = 832 - 822
Characteristics
165 is a palindromic number in binary system (10100101)
Related primes
The 165th prime number is: 977
Previous prime number: 163 — Next prime number: 167

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