Number
1,406
1,406 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
- 2,280
Primality
Prime factorization: 2 × 19 × 37
Divisors & multiples
Aliquot sum (sum of proper divisors):
874
First multiples
Representations
- In words
- one thousand four hundred six
- Ordinal
- 1406th
- Roman numeral
- MCDVI
- Binary
- 10101111110
- Octal
- 2576
- Hexadecimal
- 57E
Also seen as
Goldbach decomposition
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1406, here are decompositions:
- 7 + 1399 = 1406
- 79 + 1327 = 1406
- 103 + 1303 = 1406
- 109 + 1297 = 1406
- 127 + 1279 = 1406
- 157 + 1249 = 1406
- 193 + 1213 = 1406
- 277 + 1129 = 1406
Showing the first eight; more decompositions exist.
Unicode codepoint
վ
U+057E
Lowercase letter (Ll)
UTF-8 encoding: D5 BE (2 bytes).
Hex color
#00057E
RGB(0, 5, 126)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.5.126.