142,864
142,864 is a composite number, even.
142,864 (one hundred forty-two thousand eight hundred sixty-four) is an even 6-digit number. It is a composite number with 10 divisors, and factors as 2⁴ × 8,929. Written other ways, in hexadecimal, 0x22E10.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 25
- Digit product
- 1,536
- Digital root
- 7
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 468,241
- Recamán's sequence
- a(222,688) = 142,864
- Square (n²)
- 20,410,122,496
- Cube (n³)
- 2,915,871,740,268,544
- Divisor count
- 10
- σ(n) — sum of divisors
- 276,830
- φ(n) — Euler's totient
- 71,424
- Sum of prime factors
- 8,937
Primality
Prime factorization: 2 4 × 8929
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,864 = [377; (1, 36, 1, 3, 1, 29, 2, 3, 1, 1, 2, 6, 1, 4, 4, 8, 1, 3, 5, 7, 107, 1, 5, 1, …)]
Representations
- In words
- one hundred forty-two thousand eight hundred sixty-four
- Ordinal
- 142864th
- Binary
- 100010111000010000
- Octal
- 427020
- Hexadecimal
- 0x22E10
- Base64
- Ai4Q
- One's complement
- 4,294,824,431 (32-bit)
- Scientific notation
- 1.42864 × 10⁵
- As a duration
- 142,864 s = 1 day, 15 hours, 41 minutes, 4 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹 𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβωξδʹ
- Mayan (base 20)
- 𝋱·𝋱·𝋣·𝋤
- Chinese
- 一十四萬二千八百六十四
- Chinese (financial)
- 壹拾肆萬貳仟捌佰陸拾肆
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 142864, here are decompositions:
- 23 + 142841 = 142864
- 53 + 142811 = 142864
- 107 + 142757 = 142864
- 131 + 142733 = 142864
- 167 + 142697 = 142864
- 191 + 142673 = 142864
- 257 + 142607 = 142864
- 263 + 142601 = 142864
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 B8 90 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.46.16.
- Address
- 0.2.46.16
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.46.16
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 142,864 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 142864 first appears in π at position 319,077 of the decimal expansion (the 319,077ordinal-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.