number.wiki
Number

41

41 is a prime, odd, a calendar year.

Cousin Prime Deficient Number Prime Sexy Prime Squarefree Twin Prime Year

Properties

Parity
Odd
Digit count
2
Digit sum
5
Digital root
5
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
42

Primality

41 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 41
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 41)
1 × 41
First multiples
41 · 82 · 123 · 164 · 205 · 246 · 287 · 328 · 369 · 410

Representations

In words
forty-one
Ordinal
41st
Roman numeral
XLI
Binary
101001
Octal
51
Hexadecimal
29

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 37 (gap of 4)
  • Next prime: 43 (gap of 2)

Pair status: twin with 43, cousin with 37.

ASCII character

As an ASCII codepoint, 41 is ). Printable ASCII character ).

Hex color
#000029
RGB(0, 0, 41)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.0.41.