number.wiki
Number

1,723

1,723 is a prime, odd, a calendar year.

Deficient Number Prime Squarefree Twin Prime Year

Properties

Parity
Odd
Digit count
4
Digit sum
13
Digital root
4
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
1,724

Primality

1,723 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 1723
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 1,723)
1 × 1723
First multiples
1,723 · 3,446 · 5,169 · 6,892 · 8,615 · 10,338 · 12,061 · 13,784 · 15,507 · 17,230

Representations

In words
one thousand seven hundred twenty-three
Ordinal
1723rd
Roman numeral
MDCCXXIII
Binary
11010111011
Octal
3273
Hexadecimal
6BB

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 1,721 (gap of 2)
  • Next prime: 1,733 (gap of 10)

Pair status: twin with 1721.

Unicode codepoint
ڻ
U+06BB
Other letter (Lo)

UTF-8 encoding: DA BB (2 bytes).

Hex color
#0006BB
RGB(0, 6, 187)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.6.187.