number.wiki
Number

2,729

2,729 is a prime, odd.

Deficient Number 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
2,730

Primality

2,729 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 2729
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 2,729)
1 × 2729
First multiples
2,729 · 5,458 · 8,187 · 10,916 · 13,645 · 16,374 · 19,103 · 21,832 · 24,561 · 27,290

Representations

In words
two thousand seven hundred twenty-nine
Ordinal
2729th
Roman numeral
MMDCCXXIX
Binary
101010101001
Octal
5251
Hexadecimal
AA9

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 2,719 (gap of 10)
  • Next prime: 2,731 (gap of 2)

Pair status: twin with 2731.

Hex color
#000AA9
RGB(0, 10, 169)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.10.169.