The number 85

Representation numerals

Greek numeral

πεʹ

Arabic numeral

٨٥

Roman numeral

LXXXV

Maya numeral

●●●●
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Chinese numeral

八十五

Hebrew numeral

פה
Numeral systems
Binary: 1010101
Septimal (base 7): 151
Octal: 125
Hexadecimal: 55
Base 24: 3D
Factorization
85 = 5 × 17
85 has 4 divisors: 1, 5, 17, 85
Sum of all divisors other than 85: 23
Sums & differences
Sum of 2 squares: 85 = 72 + 62 = 92 + 22
Difference of 2 squares: 85 = 112 - 62 = 432 - 422
Characteristics
85 is a palindromic number in binary system (1010101)
85 is a palindromic number in septimal system (151)
Related primes
The 85th prime number is: 439
Previous prime number: 83 — Next prime number: 89
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