142,943
142,943 is a composite number, odd.
142,943 (one hundred forty-two thousand nine hundred forty-three) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 223 × 641. Written other ways, in hexadecimal, 0x22E5F.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 23
- Digit product
- 864
- Digital root
- 5
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 349,241
- Recamán's sequence
- a(222,530) = 142,943
- Square (n²)
- 20,432,701,249
- Cube (n³)
- 2,920,711,614,635,807
- Divisor count
- 4
- σ(n) — sum of divisors
- 143,808
- φ(n) — Euler's totient
- 142,080
- Sum of prime factors
- 864
Primality
Prime factorization: 223 × 641
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,943 = [378; (12, 1, 4, 2, 2, 20, 34, 3, 9, 4, 7, 10, 4, 1, 1, 5, 1, 2, 3, 1, 1, 1, 1, 4, …)]
Representations
- In words
- one hundred forty-two thousand nine hundred forty-three
- Ordinal
- 142943rd
- Binary
- 100010111001011111
- Octal
- 427137
- Hexadecimal
- 0x22E5F
- Base64
- Ai5f
- One's complement
- 4,294,824,352 (32-bit)
- Scientific notation
- 1.42943 × 10⁵
- As a duration
- 142,943 s = 1 day, 15 hours, 42 minutes, 23 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβϡμγʹ
- Mayan (base 20)
- 𝋱·𝋱·𝋧·𝋣
- Chinese
- 一十四萬二千九百四十三
- Chinese (financial)
- 壹拾肆萬貳仟玖佰肆拾參
Also seen as
UTF-8 encoding: F0 A2 B9 9F (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.46.95.
- Address
- 0.2.46.95
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.46.95
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 142,943 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.