number.wiki
Number

9,001

9,001 is a prime, odd.

Deficient Number Happy Number Prime Sexy Prime Squarefree Twin Prime

Properties

Parity
Odd
Digit count
4
Digit sum
10
Digital root
1
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
9,002

Primality

9,001 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 9001
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 9,001)
1 × 9001
First multiples
9,001 · 18,002 · 27,003 · 36,004 · 45,005 · 54,006 · 63,007 · 72,008 · 81,009 · 90,010

Representations

In words
nine thousand one
Ordinal
9001st
Binary
10001100101001
Octal
21451
Hexadecimal
2329

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 8,999 (gap of 2)
  • Next prime: 9,007 (gap of 6)

Pair status: twin with 8999, sexy with 9007.

Unicode codepoint
U+2329
Open punctuation (Ps)

UTF-8 encoding: E2 8C A9 (3 bytes).

Hex color
#002329
RGB(0, 35, 41)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.35.41.

Possible US bank routing number

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

Routing number
000009001
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.