number.wiki
Number

4,049

4,049 is a prime, odd.

Deficient Number Prime Squarefree Twin Prime

Properties

Parity
Odd
Digit count
4
Digit sum
17
Digital root
8
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
4,050

Primality

4,049 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 4049
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 4,049)
1 × 4049
First multiples
4,049 · 8,098 · 12,147 · 16,196 · 20,245 · 24,294 · 28,343 · 32,392 · 36,441 · 40,490

Representations

In words
four thousand forty-nine
Ordinal
4049th
Binary
111111010001
Octal
7721
Hexadecimal
FD1

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 4,027 (gap of 22)
  • Next prime: 4,051 (gap of 2)

Pair status: twin with 4051.

Unicode codepoint
U+0FD1
Other punctuation (Po)

UTF-8 encoding: E0 BF 91 (3 bytes).

Hex color
#000FD1
RGB(0, 15, 209)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.15.209.