The number 505

Representation numerals

Greek numeral

φεʹ

Arabic numeral

٥٠٥

Roman numeral

DV

Maya numeral


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Chinese numeral

五百零五

Hebrew numeral

תקה
Numeral systems
Binary: 111111001
Septimal (base 7): 1321
Octal: 771
Hexadecimal: 1f9
Base 24: L1
Factorization
505 = 5 × 101
505 has 4 divisors: 1, 5, 101, 505
Sum of all divisors other than 505: 107
Sums & differences
Sum of 2 squares: 505 = 192 + 122 = 212 + 82
Difference of 2 squares: 505 = 532 - 482 = 2532 - 2522
Characteristics
505 is a palindromic number in decimal system
Related primes
The 505th prime number is: 3613
Previous prime number: 503 — Next prime number: 509
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