Number
2,013
2,013 is a composite number, odd, a calendar year.
Properties
- Parity
- Odd
- Digit count
- 4
- Digit sum
- 6
- Digital root
- 6
- Palindrome
- No
- Divisor count
- 8
- σ(n) — sum of divisors
- 2,976
Primality
Prime factorization: 3 × 11 × 61
Divisors & multiples
Aliquot sum (sum of proper divisors):
963
First multiples
Representations
- In words
- two thousand thirteen
- Ordinal
- 2013th
- Roman numeral
- MMXIII
- Binary
- 11111011101
- Octal
- 3735
- Hexadecimal
- 7DD
Also seen as
Unicode codepoint
ߝ
U+07DD
Other letter (Lo)
UTF-8 encoding: DF 9D (2 bytes).
Hex color
#0007DD
RGB(0, 7, 221)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.7.221.