Number
881
881 is a prime, odd, a calendar year.
Properties
- Parity
- Odd
- Digit count
- 3
- Digit sum
- 17
- Digital root
- 8
- Palindrome
- No
- Divisor count
- 2
- σ(n) — sum of divisors
- 882
Primality
881 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Aliquot sum (sum of proper divisors):
1
Representations
- In words
- eight hundred eighty-one
- Ordinal
- 881st
- Roman numeral
- DCCCLXXXI
- Binary
- 1101110001
- Octal
- 1561
- Hexadecimal
- 371
Also seen as
Prime neighborhood
Unicode codepoint
ͱ
U+0371
Lowercase letter (Ll)
UTF-8 encoding: CD B1 (2 bytes).
Hex color
#000371
RGB(0, 3, 113)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.3.113.