number.wiki
Number

1,297

1,297 is a prime, odd, a calendar year.

Cousin Prime Deficient Number Prime Sexy Prime Squarefree Year

Properties

Parity
Odd
Digit count
4
Digit sum
19
Digital root
1
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
1,298

Primality

1,297 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 1297
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 1,297)
1 × 1297
First multiples
1,297 · 2,594 · 3,891 · 5,188 · 6,485 · 7,782 · 9,079 · 10,376 · 11,673 · 12,970

Representations

In words
one thousand two hundred ninety-seven
Ordinal
1297th
Roman numeral
MCCXCVII
Binary
10100010001
Octal
2421
Hexadecimal
511

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 1,291 (gap of 6)
  • Next prime: 1,301 (gap of 4)

Pair status: cousin with 1301, sexy with 1291.

Unicode codepoint
ԑ
U+0511
Lowercase letter (Ll)

UTF-8 encoding: D4 91 (2 bytes).

Hex color
#000511
RGB(0, 5, 17)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.5.17.