107,981
107,981 is a prime, odd.
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 26
- Digit product
- 0
- Digital root
- 8
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 189,701
- Recamán's sequence
- a(46,729) = 107,981
- Square (n²)
- 11,659,896,361
- Cube (n³)
- 1,259,047,268,957,141
- Divisor count
- 2
- σ(n) — sum of divisors
- 107,982
- φ(n) — Euler's totient
- 107,980
Primality
107,981 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- one hundred seven thousand nine hundred eighty-one
- Ordinal
- 107981st
- Binary
- 11010010111001101
- Octal
- 322715
- Hexadecimal
- 0x1A5CD
- Base64
- AaXN
- One's complement
- 4,294,859,314 (32-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓆐𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
- Greek (Milesian)
- ͵ρζϡπαʹ
- Mayan (base 20)
- 𝋭·𝋩·𝋳·𝋡
- Chinese
- 一十萬七千九百八十一
- Chinese (financial)
- 壹拾萬柒仟玖佰捌拾壹
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.1.165.205.
- Address
- 0.1.165.205
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.165.205
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 107,981 and was likely granted around 1870.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 107981 first appears in π at position 782,428 of the decimal expansion (the 782,428ordinal-suffix:th digit after the integer 3).
Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.