Number
1,442
1,442 is a composite number, even, a calendar year.
Properties
- Parity
- Even
- Digit count
- 4
- Digit sum
- 11
- Digital root
- 2
- Palindrome
- No
- Divisor count
- 8
- σ(n) — sum of divisors
- 2,496
Primality
Prime factorization: 2 × 7 × 103
Divisors & multiples
Aliquot sum (sum of proper divisors):
1,054
First multiples
Representations
- In words
- one thousand four hundred forty-two
- Ordinal
- 1442nd
- Roman numeral
- MCDXLII
- Binary
- 10110100010
- Octal
- 2642
- Hexadecimal
- 5A2
Also seen as
Goldbach decomposition
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1442, here are decompositions:
- 3 + 1439 = 1442
- 13 + 1429 = 1442
- 19 + 1423 = 1442
- 43 + 1399 = 1442
- 61 + 1381 = 1442
- 139 + 1303 = 1442
- 151 + 1291 = 1442
- 163 + 1279 = 1442
Showing the first eight; more decompositions exist.
Unicode codepoint
֢
U+05A2
Non-spacing mark (Mn)
UTF-8 encoding: D6 A2 (2 bytes).
Hex color
#0005A2
RGB(0, 5, 162)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.5.162.