number.wiki
Number

3,989

3,989 is a prime, odd.

Deficient Number Prime Squarefree

Properties

Parity
Odd
Digit count
4
Digit sum
29
Digital root
2
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
3,990

Primality

3,989 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 3989
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 3,989)
1 × 3989
First multiples
3,989 · 7,978 · 11,967 · 15,956 · 19,945 · 23,934 · 27,923 · 31,912 · 35,901 · 39,890

Representations

In words
three thousand nine hundred eighty-nine
Ordinal
3989th
Roman numeral
MMMCMLXXXIX
Binary
111110010101
Octal
7625
Hexadecimal
F95

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 3,967 (gap of 22)
  • Next prime: 4,001 (gap of 12)
Unicode codepoint
ྕ
U+0F95
Non-spacing mark (Mn)

UTF-8 encoding: E0 BE 95 (3 bytes).

Lookup U+0F95 on Compart ↗ Lookup on FileFormat.Info ↗
Hex color
#000F95
RGB(0, 15, 149)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.15.149.