142,139
142,139 is a composite number, odd.
142,139 (one hundred forty-two thousand one hundred thirty-nine) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 19 × 7,481. Written other ways, in hexadecimal, 0x22B3B.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 216
- Digital root
- 2
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 931,241
- Recamán's sequence
- a(484,549) = 142,139
- Square (n²)
- 20,203,495,321
- Cube (n³)
- 2,871,704,621,431,619
- Divisor count
- 4
- σ(n) — sum of divisors
- 149,640
- φ(n) — Euler's totient
- 134,640
- Sum of prime factors
- 7,500
Primality
Prime factorization: 19 × 7481
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,139 = [377; (75, 2, 2, 29, 1, 3, 5, 1, 2, 5, 1, 2, 7, 1, 14, 4, 1, 150, 377, 150, 1, 4, 14, 1, …)]
Period length 38 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-two thousand one hundred thirty-nine
- Ordinal
- 142139th
- Binary
- 100010101100111011
- Octal
- 425473
- Hexadecimal
- 0x22B3B
- Base64
- Ais7
- One's complement
- 4,294,825,156 (32-bit)
- Scientific notation
- 1.42139 × 10⁵
- As a duration
- 142,139 s = 1 day, 15 hours, 28 minutes, 59 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβρλθʹ
- Mayan (base 20)
- 𝋱·𝋯·𝋦·𝋳
- Chinese
- 一十四萬二千一百三十九
- Chinese (financial)
- 壹拾肆萬貳仟壹佰參拾玖
Also seen as
UTF-8 encoding: F0 A2 AC BB (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.43.59.
- Address
- 0.2.43.59
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.43.59
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 142,139 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 142139 first appears in π at position 225,388 of the decimal expansion (the 225,388ordinal-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.