Number
541
541 is a prime, odd, a calendar year.
Properties
- Parity
- Odd
- Digit count
- 3
- Digit sum
- 10
- Digital root
- 1
- Palindrome
- No
- Divisor count
- 2
- σ(n) — sum of divisors
- 542
Primality
541 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Aliquot sum (sum of proper divisors):
1
Representations
- In words
- five hundred forty-one
- Ordinal
- 541st
- Roman numeral
- DXLI
- Binary
- 1000011101
- Octal
- 1035
- Hexadecimal
- 21D
Also seen as
Prime neighborhood
Unicode codepoint
ȝ
U+021D
Lowercase letter (Ll)
UTF-8 encoding: C8 9D (2 bytes).
Hex color
#00021D
RGB(0, 2, 29)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.2.29.