142,397
142,397 is a composite number, odd.
142,397 (one hundred forty-two thousand three hundred ninety-seven) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 131 × 1,087. Written other ways, in hexadecimal, 0x22C3D.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 26
- Digit product
- 1,512
- Digital root
- 8
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 793,241
- Recamán's sequence
- a(40,106) = 142,397
- Square (n²)
- 20,276,905,609
- Cube (n³)
- 2,887,370,528,004,773
- Divisor count
- 4
- σ(n) — sum of divisors
- 143,616
- φ(n) — Euler's totient
- 141,180
- Sum of prime factors
- 1,218
Primality
Prime factorization: 131 × 1087
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,397 = [377; (2, 1, 4, 2, 1, 1, 23, 1, 3, 18, 6, 2, 4, 1, 1, 1, 3, 6, 1, 3, 1, 1, 9, 2, …)]
Period length 58 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-two thousand three hundred ninety-seven
- Ordinal
- 142397th
- Binary
- 100010110000111101
- Octal
- 426075
- Hexadecimal
- 0x22C3D
- Base64
- Aiw9
- One's complement
- 4,294,824,898 (32-bit)
- Scientific notation
- 1.42397 × 10⁵
- As a duration
- 142,397 s = 1 day, 15 hours, 33 minutes, 17 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβτϟζʹ
- Mayan (base 20)
- 𝋱·𝋯·𝋳·𝋱
- Chinese
- 一十四萬二千三百九十七
- Chinese (financial)
- 壹拾肆萬貳仟參佰玖拾柒
Also seen as
UTF-8 encoding: F0 A2 B0 BD (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.44.61.
- Address
- 0.2.44.61
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.44.61
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 142,397 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 142397 first appears in π at position 638,431 of the decimal expansion (the 638,431ordinal-suffix:st 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.