number.wiki
Number

2,549

2,549 is a prime, odd.

Deficient Number Prime Sexy Prime Squarefree Twin Prime

Properties

Parity
Odd
Digit count
4
Digit sum
20
Digital root
2
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
2,550

Primality

2,549 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 2549
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 2,549)
1 × 2549
First multiples
2,549 · 5,098 · 7,647 · 10,196 · 12,745 · 15,294 · 17,843 · 20,392 · 22,941 · 25,490

Representations

In words
two thousand five hundred forty-nine
Ordinal
2549th
Roman numeral
MMDXLIX
Binary
100111110101
Octal
4765
Hexadecimal
9F5

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 2,543 (gap of 6)
  • Next prime: 2,551 (gap of 2)

Pair status: twin with 2551, sexy with 2543.

Unicode codepoint
U+09F5
Other number (No)

UTF-8 encoding: E0 A7 B5 (3 bytes).

Hex color
#0009F5
RGB(0, 9, 245)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.9.245.