142,888
142,888 is a composite number, even.
142,888 (one hundred forty-two thousand eight hundred eighty-eight) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2³ × 53 × 337. Written other ways, in hexadecimal, 0x22E28.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 31
- Digit product
- 4,096
- Digital root
- 4
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 888,241
- Recamán's sequence
- a(222,640) = 142,888
- Square (n²)
- 20,416,980,544
- Cube (n³)
- 2,917,341,515,971,072
- Divisor count
- 16
- σ(n) — sum of divisors
- 273,780
- φ(n) — Euler's totient
- 69,888
- Sum of prime factors
- 396
Primality
Prime factorization: 2 3 × 53 × 337
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,888 = [378; (189, 756)]
Period length 2 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-two thousand eight hundred eighty-eight
- Ordinal
- 142888th
- Binary
- 100010111000101000
- Octal
- 427050
- Hexadecimal
- 0x22E28
- Base64
- Ai4o
- One's complement
- 4,294,824,407 (32-bit)
- Scientific notation
- 1.42888 × 10⁵
- As a duration
- 142,888 s = 1 day, 15 hours, 41 minutes, 28 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβωπηʹ
- Mayan (base 20)
- 𝋱·𝋱·𝋤·𝋨
- Chinese
- 一十四萬二千八百八十八
- Chinese (financial)
- 壹拾肆萬貳仟捌佰捌拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 142888, here are decompositions:
- 17 + 142871 = 142888
- 47 + 142841 = 142888
- 89 + 142799 = 142888
- 101 + 142787 = 142888
- 131 + 142757 = 142888
- 191 + 142697 = 142888
- 269 + 142619 = 142888
- 281 + 142607 = 142888
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 B8 A8 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.46.40.
- Address
- 0.2.46.40
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.46.40
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 142,888 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 142888 first appears in π at position 598,065 of the decimal expansion (the 598,065ordinal-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.