The number 25

Representation numerals

Greek numeral

κεʹ

Arabic numeral

٢٥

Roman numeral

XXV

Maya numeral

●
▃▃▃▃▃

Chinese numeral

二十五

Hebrew numeral

כה
Numeral systems
Binary: 11001
Septimal (base 7): 34
Octal: 31
Hexadecimal: 19
Base 24: 11
Factorization
25 = 5 × 5
25 has 3 divisors: 1, 5, 25
Sum of all divisors other than 25: 6
25 = 5 2
25 = 1 + 3 + 5 + 7 + 9
Sums & differences
Sum of 2 squares: 25 = 42 + 32
Difference of 2 squares: 25 = 132 - 122
Characteristics
Related primes
The 25th prime number is: 97
Previous prime number: 23 — Next prime number: 29

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