number.wiki
Number

1,889

1,889 is a prime, odd, a calendar year.

Deficient Number Prime Squarefree Year

Properties

Parity
Odd
Digit count
4
Digit sum
26
Digital root
8
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
1,890

Primality

1,889 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 1889
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 1,889)
1 × 1889
First multiples
1,889 · 3,778 · 5,667 · 7,556 · 9,445 · 11,334 · 13,223 · 15,112 · 17,001 · 18,890

Representations

In words
one thousand eight hundred eighty-nine
Ordinal
1889th
Roman numeral
MDCCCLXXXIX
Binary
11101100001
Octal
3541
Hexadecimal
761

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 1,879 (gap of 10)
  • Next prime: 1,901 (gap of 12)
Unicode codepoint
ݡ
U+0761
Other letter (Lo)

UTF-8 encoding: DD A1 (2 bytes).

Hex color
#000761
RGB(0, 7, 97)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.7.97.

Possible US bank routing number

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

Routing number
000001889
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.