118,081
118,081 is a prime, odd.
118,081 (one hundred eighteen thousand eighty-one) is an odd 6-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x1CD41.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 19
- Digit product
- 0
- Digital root
- 1
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 180,811
- Flips to (rotate 180°)
- 180,811
- Square (n²)
- 13,943,122,561
- Cube (n³)
- 1,646,417,855,125,441
- Divisor count
- 2
- σ(n) — sum of divisors
- 118,082
- φ(n) — Euler's totient
- 118,080
Primality
118,081 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√118,081 = [343; (1, 1, 1, 2, 3, 2, 1, 1, 1, 2, 4, 2, 39, 1, 44, 1, 5, 3, 16, 1, 6, 2, 4, 3, …)]
Representations
- In words
- one hundred eighteen thousand eighty-one
- Ordinal
- 118081st
- Binary
- 11100110101000001
- Octal
- 346501
- Hexadecimal
- 0x1CD41
- Base64
- Ac1B
- One's complement
- 4,294,849,214 (32-bit)
- Scientific notation
- 1.18081 × 10⁵
- As a duration
- 118,081 s = 1 day, 8 hours, 48 minutes, 1 second
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
- Greek (Milesian)
- ͵ριηπαʹ
- Mayan (base 20)
- 𝋮·𝋯·𝋤·𝋡
- Chinese
- 一十一萬八千零八十一
- Chinese (financial)
- 壹拾壹萬捌仟零捌拾壹
Also seen as
UTF-8 encoding: F0 9C B5 81 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.205.65.
- Address
- 0.1.205.65
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.205.65
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 118,081 and was likely granted around 1871.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Prime numbers — The building blocks of arithmetic: what primes are, why they matter, and how we find them.
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.