number.wiki
Number

12,409

12,409 is a prime, odd.

Cousin Prime Deficient Number Prime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
16
Digital root
7
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
12,410

Primality

12,409 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 12409
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 12,409)
1 × 12409
First multiples
12,409 · 24,818 · 37,227 · 49,636 · 62,045 · 74,454 · 86,863 · 99,272 · 111,681 · 124,090

Representations

In words
twelve thousand four hundred nine
Ordinal
12409th
Binary
11000001111001
Octal
30171
Hexadecimal
3079

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 12,401 (gap of 8)
  • Next prime: 12,413 (gap of 4)

Pair status: cousin with 12413.

Unicode codepoint
U+3079
Other letter (Lo)

UTF-8 encoding: E3 81 B9 (3 bytes).

Hex color
#003079
RGB(0, 48, 121)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.48.121.

Possible US bank routing number

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

Routing number
000012409
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.