number.wiki
Number

1,013

1,013 is a prime, odd, a calendar year.

Cousin Prime Deficient Number Prime Sexy Prime Squarefree Year

Properties

Parity
Odd
Digit count
4
Digit sum
5
Digital root
5
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
1,014

Primality

1,013 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 1013
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 1,013)
1 × 1013
First multiples
1,013 · 2,026 · 3,039 · 4,052 · 5,065 · 6,078 · 7,091 · 8,104 · 9,117 · 10,130

Representations

In words
one thousand thirteen
Ordinal
1013th
Roman numeral
MXIII
Binary
1111110101
Octal
1765
Hexadecimal
3F5

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 1,009 (gap of 4)
  • Next prime: 1,019 (gap of 6)

Pair status: cousin with 1009, sexy with 1019.

Unicode codepoint
ϵ
U+03F5
Lowercase letter (Ll)

UTF-8 encoding: CF B5 (2 bytes).

Lookup U+03F5 on Compart ↗ Lookup on FileFormat.Info ↗
Hex color
#0003F5
RGB(0, 3, 245)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.3.245.