142,439
142,439 is a composite number, odd.
142,439 (one hundred forty-two thousand four hundred thirty-nine) is an odd 6-digit number. It is a composite number with 8 divisors, and factors as 11 × 23 × 563. Written other ways, in hexadecimal, 0x22C67.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 23
- Digit product
- 864
- Digital root
- 5
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 934,241
- Recamán's sequence
- a(40,190) = 142,439
- Square (n²)
- 20,288,868,721
- Cube (n³)
- 2,889,926,171,750,519
- Divisor count
- 8
- σ(n) — sum of divisors
- 162,432
- φ(n) — Euler's totient
- 123,640
- Sum of prime factors
- 597
Primality
Prime factorization: 11 × 23 × 563
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,439 = [377; (2, 2, 3, 3, 1, 3, 1, 2, 17, 5, 8, 1, 8, 1, 1, 1, 33, 1, 1, 1, 8, 1, 8, 5, …)]
Period length 34 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-two thousand four hundred thirty-nine
- Ordinal
- 142439th
- Binary
- 100010110001100111
- Octal
- 426147
- Hexadecimal
- 0x22C67
- Base64
- Aixn
- One's complement
- 4,294,824,856 (32-bit)
- Scientific notation
- 1.42439 × 10⁵
- As a duration
- 142,439 s = 1 day, 15 hours, 33 minutes, 59 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβυλθʹ
- Mayan (base 20)
- 𝋱·𝋰·𝋡·𝋳
- Chinese
- 一十四萬二千四百三十九
- Chinese (financial)
- 壹拾肆萬貳仟肆佰參拾玖
Also seen as
UTF-8 encoding: F0 A2 B1 A7 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.44.103.
- Address
- 0.2.44.103
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.44.103
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 142,439 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 142439 first appears in π at position 713,082 of the decimal expansion (the 713,082ordinal-suffix:nd 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.