142,743
142,743 is a composite number, odd.
142,743 (one hundred forty-two thousand seven hundred forty-three) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 3 × 47,581. Written other ways, in hexadecimal, 0x22D97.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 21
- Digit product
- 672
- Digital root
- 3
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 347,241
- Recamán's sequence
- a(222,930) = 142,743
- Square (n²)
- 20,375,564,049
- Cube (n³)
- 2,908,469,139,046,407
- Divisor count
- 4
- σ(n) — sum of divisors
- 190,328
- φ(n) — Euler's totient
- 95,160
- Sum of prime factors
- 47,584
Primality
Prime factorization: 3 × 47581
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,743 = [377; (1, 4, 2, 1, 3, 2, 3, 1, 3, 1, 1, 3, 5, 2, 18, 1, 11, 4, 5, 2, 1, 1, 6, 4, …)]
Representations
- In words
- one hundred forty-two thousand seven hundred forty-three
- Ordinal
- 142743rd
- Binary
- 100010110110010111
- Octal
- 426627
- Hexadecimal
- 0x22D97
- Base64
- Ai2X
- One's complement
- 4,294,824,552 (32-bit)
- Scientific notation
- 1.42743 × 10⁵
- As a duration
- 142,743 s = 1 day, 15 hours, 39 minutes, 3 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβψμγʹ
- Mayan (base 20)
- 𝋱·𝋰·𝋱·𝋣
- Chinese
- 一十四萬二千七百四十三
- Chinese (financial)
- 壹拾肆萬貳仟柒佰肆拾參
Also seen as
UTF-8 encoding: F0 A2 B6 97 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.45.151.
- Address
- 0.2.45.151
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.45.151
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 142,743 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 142743 first appears in π at position 135,205 of the decimal expansion (the 135,205ordinal-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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.