number.wiki
Number

4,019

4,019 is a prime, odd.

Deficient Number Prime Sexy Prime Squarefree Twin Prime

Properties

Parity
Odd
Digit count
4
Digit sum
14
Digital root
5
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
4,020

Primality

4,019 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 4019
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 4,019)
1 × 4019
First multiples
4,019 · 8,038 · 12,057 · 16,076 · 20,095 · 24,114 · 28,133 · 32,152 · 36,171 · 40,190

Representations

In words
four thousand nineteen
Ordinal
4019th
Binary
111110110011
Octal
7663
Hexadecimal
FB3

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 4,013 (gap of 6)
  • Next prime: 4,021 (gap of 2)

Pair status: twin with 4021, sexy with 4013.

Unicode codepoint
U+0FB3
Non-spacing mark (Mn)

UTF-8 encoding: E0 BE B3 (3 bytes).

Hex color
#000FB3
RGB(0, 15, 179)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.15.179.

Possible US bank routing number

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

Routing number
000004019
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.