number.wiki
Number

1,399

1,399 is a prime, odd, a calendar year.

Deficient Number Prime Squarefree Year

Properties

Parity
Odd
Digit count
4
Digit sum
22
Digital root
4
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
1,400

Primality

1,399 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 1399
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 1,399)
1 × 1399
First multiples
1,399 · 2,798 · 4,197 · 5,596 · 6,995 · 8,394 · 9,793 · 11,192 · 12,591 · 13,990

Representations

In words
one thousand three hundred ninety-nine
Ordinal
1399th
Roman numeral
MCCCXCIX
Binary
10101110111
Octal
2567
Hexadecimal
577

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 1,381 (gap of 18)
  • Next prime: 1,409 (gap of 10)
Unicode codepoint
շ
U+0577
Lowercase letter (Ll)

UTF-8 encoding: D5 B7 (2 bytes).

Hex color
#000577
RGB(0, 5, 119)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.5.119.