The number 64

Representation numerals

Greek numeral

ξδʹ

Arabic numeral

٦٤

Roman numeral

LXIV

Maya numeral

●●●
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Chinese numeral

六十四

Hebrew numeral

סד
Numeral systems
Binary: 1000000
Septimal (base 7): 121
Octal: 100
Hexadecimal: 40
Base 24: 2G
Factorization
64 = 2 × 2 × 2 × 2 × 2 × 2
64 has 7 divisors: 1, 2, 4, 8, 16, 32, 64
Sum of all divisors other than 64: 63
64 = 8 2
64 = 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15
64 = 4 3
64 = 2 6
Sums & differences
Difference of 2 squares: 64 = 102 - 62 = 172 - 152
Goldbach conjecture: 64 = 61 + 3 = 59 + 5 = 53 + 11 = 47 + 17 = 41 + 23
Characteristics
64 is a palindromic number in septimal system (121)
Related primes
The 64th prime number is: 311
Previous prime number: 61 — Next prime number: 67

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