115,988
115,988 is a composite number, even.
115,988 (one hundred fifteen thousand nine hundred eighty-eight) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2² × 107 × 271. Written other ways, in hexadecimal, 0x1C514.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 32
- Digit product
- 2,880
- Digital root
- 5
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 889,511
- Square (n²)
- 13,453,216,144
- Cube (n³)
- 1,560,411,634,110,272
- Divisor count
- 12
- σ(n) — sum of divisors
- 205,632
- φ(n) — Euler's totient
- 57,240
- Sum of prime factors
- 382
Primality
Prime factorization: 2 2 × 107 × 271
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√115,988 = [340; (1, 1, 3, 15, 5, 7, 2, 5, 6, 5, 2, 7, 5, 15, 3, 1, 1, 680)]
Period length 18 — the block in parentheses repeats forever.
Representations
- In words
- one hundred fifteen thousand nine hundred eighty-eight
- Ordinal
- 115988th
- Binary
- 11100010100010100
- Octal
- 342424
- Hexadecimal
- 0x1C514
- Base64
- AcUU
- One's complement
- 4,294,851,307 (32-bit)
- Scientific notation
- 1.15988 × 10⁵
- As a duration
- 115,988 s = 1 day, 8 hours, 13 minutes, 8 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹 𒌋𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ριεϡπηʹ
- Mayan (base 20)
- 𝋮·𝋩·𝋳·𝋨
- Chinese
- 一十一萬五千九百八十八
- Chinese (financial)
- 壹拾壹萬伍仟玖佰捌拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 115988, here are decompositions:
- 7 + 115981 = 115988
- 97 + 115891 = 115988
- 109 + 115879 = 115988
- 127 + 115861 = 115988
- 139 + 115849 = 115988
- 151 + 115837 = 115988
- 157 + 115831 = 115988
- 181 + 115807 = 115988
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.197.20.
- Address
- 0.1.197.20
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.197.20
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 115,988 and was likely granted around 1871.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 115988 first appears in π at position 35,319 of the decimal expansion (the 35,319ordinal-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.
Related reading
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.