142,066
142,066 is a composite number, even.
142,066 (one hundred forty-two thousand sixty-six) is an even 6-digit number. It is a composite number with 8 divisors, and factors as 2 × 251 × 283. Written other ways, in hexadecimal, 0x22AF2.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 19
- Digit product
- 0
- Digital root
- 1
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 660,241
- Recamán's sequence
- a(484,695) = 142,066
- Square (n²)
- 20,182,748,356
- Cube (n³)
- 2,867,282,327,943,496
- Divisor count
- 8
- σ(n) — sum of divisors
- 214,704
- φ(n) — Euler's totient
- 70,500
- Sum of prime factors
- 536
Primality
Prime factorization: 2 × 251 × 283
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,066 = [376; (1, 10, 1, 29, 4, 4, 2, 3, 3, 3, 2, 1, 24, 2, 3, 10, 25, 32, 1, 2, 1, 3, 1, 1, …)]
Representations
- In words
- one hundred forty-two thousand sixty-six
- Ordinal
- 142066th
- Binary
- 100010101011110010
- Octal
- 425362
- Hexadecimal
- 0x22AF2
- Base64
- Airy
- One's complement
- 4,294,825,229 (32-bit)
- Scientific notation
- 1.42066 × 10⁵
- As a duration
- 142,066 s = 1 day, 15 hours, 27 minutes, 46 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβξϛʹ
- Mayan (base 20)
- 𝋱·𝋯·𝋣·𝋦
- Chinese
- 一十四萬二千零六十六
- Chinese (financial)
- 壹拾肆萬貳仟零陸拾陸
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 142066, here are decompositions:
- 5 + 142061 = 142066
- 17 + 142049 = 142066
- 47 + 142019 = 142066
- 59 + 142007 = 142066
- 107 + 141959 = 142066
- 149 + 141917 = 142066
- 233 + 141833 = 142066
- 263 + 141803 = 142066
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 AB B2 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.42.242.
- Address
- 0.2.42.242
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.42.242
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 142,066 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 142066 first appears in π at position 66,202 of the decimal expansion (the 66,202ordinal-suffix:nd 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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.