NumDic.com
Number:
The number 505
Representation numerals
Greek numeral
φεʹ
Arabic numeral
٥٠٥
Roman numeral
DV
Maya numeral
●
▃▃▃▃▃
▃▃▃▃▃
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 = 19
2
+ 12
2
= 21
2
+ 8
2
Difference of 2 squares: 505 = 53
2
- 48
2
= 253
2
- 252
2
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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