142,081
142,081 is a composite number, odd.
142,081 (one hundred forty-two thousand eighty-one) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 47 × 3,023. Written other ways, in hexadecimal, 0x22B01.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 16
- Digit product
- 0
- Digital root
- 7
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 180,241
- Recamán's sequence
- a(484,665) = 142,081
- Square (n²)
- 20,187,010,561
- Cube (n³)
- 2,868,190,647,517,441
- Divisor count
- 4
- σ(n) — sum of divisors
- 145,152
- φ(n) — Euler's totient
- 139,012
- Sum of prime factors
- 3,070
Primality
Prime factorization: 47 × 3023
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,081 = [376; (1, 14, 1, 2, 2, 2, 2, 1, 1, 1, 67, 1, 9, 2, 1, 12, 1, 3, 1, 1, 1, 3, 1, 5, …)]
Period length 60 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-two thousand eighty-one
- Ordinal
- 142081st
- Binary
- 100010101100000001
- Octal
- 425401
- Hexadecimal
- 0x22B01
- Base64
- AisB
- One's complement
- 4,294,825,214 (32-bit)
- Scientific notation
- 1.42081 × 10⁵
- As a duration
- 142,081 s = 1 day, 15 hours, 28 minutes, 1 second
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
- Greek (Milesian)
- ͵ρμβπαʹ
- Mayan (base 20)
- 𝋱·𝋯·𝋤·𝋡
- Chinese
- 一十四萬二千零八十一
- Chinese (financial)
- 壹拾肆萬貳仟零捌拾壹
Also seen as
UTF-8 encoding: F0 A2 AC 81 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.43.1.
- Address
- 0.2.43.1
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.43.1
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 142,081 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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.