159,988
159,988 is a composite number, even.
159,988 (one hundred fifty-nine thousand nine hundred eighty-eight) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2² × 23 × 37 × 47. Written other ways, in hexadecimal, 0x270F4.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 40
- Digit product
- 25,920
- Digital root
- 4
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 889,951
- Square (n²)
- 25,596,160,144
- Cube (n³)
- 4,095,078,469,118,272
- Divisor count
- 24
- σ(n) — sum of divisors
- 306,432
- φ(n) — Euler's totient
- 72,864
- Sum of prime factors
- 111
Primality
Prime factorization: 2 2 × 23 × 37 × 47
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√159,988 = [399; (1, 65, 1, 1, 1, 88, 4, 1, 1, 6, 1, 5, 1, 2, 1, 9, 7, 2, 1, 2, 11, 1, 1, 3, …)]
Representations
- In words
- one hundred fifty-nine thousand nine hundred eighty-eight
- Ordinal
- 159988th
- Binary
- 100111000011110100
- Octal
- 470364
- Hexadecimal
- 0x270F4
- Base64
- AnD0
- One's complement
- 4,294,807,307 (32-bit)
- Scientific notation
- 1.59988 × 10⁵
- As a duration
- 159,988 s = 1 day, 20 hours, 26 minutes, 28 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρνθϡπηʹ
- Mayan (base 20)
- 𝋳·𝋳·𝋳·𝋨
- Chinese
- 一十五萬九千九百八十八
- Chinese (financial)
- 壹拾伍萬玖仟玖佰捌拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 159988, here are decompositions:
- 11 + 159977 = 159988
- 89 + 159899 = 159988
- 131 + 159857 = 159988
- 149 + 159839 = 159988
- 197 + 159791 = 159988
- 251 + 159737 = 159988
- 281 + 159707 = 159988
- 317 + 159671 = 159988
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A7 83 B4 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.112.244.
- Address
- 0.2.112.244
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.112.244
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 159,988 and was likely granted around 1873.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 159988 first appears in π at position 518,606 of the decimal expansion (the 518,606ordinal-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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.