115,142
115,142 is a composite number, even.
115,142 (one hundred fifteen thousand one hundred forty-two) is an even 6-digit number. It is a composite number with 4 divisors, and factors as 2 × 57,571. Written other ways, in hexadecimal, 0x1C1C6.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 14
- Digit product
- 40
- Digital root
- 5
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 241,511
- Recamán's sequence
- a(71,691) = 115,142
- Square (n²)
- 13,257,680,164
- Cube (n³)
- 1,526,515,809,443,288
- Divisor count
- 4
- σ(n) — sum of divisors
- 172,716
- φ(n) — Euler's totient
- 57,570
- Sum of prime factors
- 57,573
Primality
Prime factorization: 2 × 57571
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√115,142 = [339; (3, 14, 2, 2, 1, 1, 1, 2, 2, 1, 3, 1, 3, 1, 3, 3, 2, 1, 2, 1, 4, 61, 2, 15, …)]
Representations
- In words
- one hundred fifteen thousand one hundred forty-two
- Ordinal
- 115142nd
- Binary
- 11100000111000110
- Octal
- 340706
- Hexadecimal
- 0x1C1C6
- Base64
- AcHG
- One's complement
- 4,294,852,153 (32-bit)
- Scientific notation
- 1.15142 × 10⁵
- As a duration
- 115,142 s = 1 day, 7 hours, 59 minutes, 2 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ριερμβʹ
- Mayan (base 20)
- 𝋮·𝋧·𝋱·𝋢
- Chinese
- 一十一萬五千一百四十二
- Chinese (financial)
- 壹拾壹萬伍仟壹佰肆拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 115142, here are decompositions:
- 19 + 115123 = 115142
- 43 + 115099 = 115142
- 229 + 114913 = 115142
- 241 + 114901 = 115142
- 283 + 114859 = 115142
- 373 + 114769 = 115142
- 463 + 114679 = 115142
- 499 + 114643 = 115142
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.193.198.
- Address
- 0.1.193.198
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.193.198
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 115,142 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 115142 first appears in π at position 230,286 of the decimal expansion (the 230,286ordinal-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.