Number
1,057
1,057 is a composite number, odd, a calendar year.
Properties
- Parity
- Odd
- Digit count
- 4
- Digit sum
- 13
- Digital root
- 4
- Palindrome
- No
- Divisor count
- 4
- σ(n) — sum of divisors
- 1,216
Primality
Prime factorization: 7 × 151
Divisors & multiples
Aliquot sum (sum of proper divisors):
159
First multiples
Representations
- In words
- one thousand fifty-seven
- Ordinal
- 1057th
- Roman numeral
- MLVII
- Binary
- 10000100001
- Octal
- 2041
- Hexadecimal
- 421
Also seen as
Unicode codepoint
С
U+0421
Uppercase letter (Lu)
UTF-8 encoding: D0 A1 (2 bytes).
Hex color
#000421
RGB(0, 4, 33)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.4.33.