number.wiki
Number

40,031

40,031 is a prime, odd.

Deficient Number Prime Sexy Prime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
8
Digital root
8
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
40,032

Primality

40,031 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 40031
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 40,031)
1 × 40031
First multiples
40,031 · 80,062 · 120,093 · 160,124 · 200,155 · 240,186 · 280,217 · 320,248 · 360,279 · 400,310

Representations

In words
forty thousand thirty-one
Ordinal
40031st
Binary
1001110001011111
Octal
116137
Hexadecimal
9C5F

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 40,013 (gap of 18)
  • Next prime: 40,037 (gap of 6)

Pair status: sexy with 40037.

Unicode codepoint
U+9C5F
Other letter (Lo)

UTF-8 encoding: E9 B1 9F (3 bytes).

Hex color
#009C5F
RGB(0, 156, 95)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.156.95.

Possible US bank routing number

This passes the ABA routing number checksum and matches the Federal Reserve numbering scheme.

Routing number
000040031
Federal Reserve
United States Government

Banks operate many routing numbers per state and division; an unmatched checksum-valid number can still be a real RTN at a smaller institution.