number.wiki
Number

1,229

1,229 is a prime, odd, a calendar year.

Deficient Number Prime Sexy Prime Squarefree Twin Prime Year

Properties

Parity
Odd
Digit count
4
Digit sum
14
Digital root
5
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
1,230

Primality

1,229 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 1229
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 1,229)
1 × 1229
First multiples
1,229 · 2,458 · 3,687 · 4,916 · 6,145 · 7,374 · 8,603 · 9,832 · 11,061 · 12,290

Representations

In words
one thousand two hundred twenty-nine
Ordinal
1229th
Roman numeral
MCCXXIX
Binary
10011001101
Octal
2315
Hexadecimal
4CD

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 1,223 (gap of 6)
  • Next prime: 1,231 (gap of 2)

Pair status: twin with 1231, sexy with 1223.

Unicode codepoint
Ӎ
U+04CD
Uppercase letter (Lu)

UTF-8 encoding: D3 8D (2 bytes).

Hex color
#0004CD
RGB(0, 4, 205)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.4.205.

Possible US bank routing number

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

Routing number
000001229
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.