142,529
142,529 is a prime, odd.
142,529 (one hundred forty-two thousand five hundred twenty-nine) is an odd 6-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x22CC1.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 23
- Digit product
- 720
- Digital root
- 5
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 925,241
- Recamán's sequence
- a(223,358) = 142,529
- Square (n²)
- 20,314,515,841
- Cube (n³)
- 2,895,407,628,301,889
- Divisor count
- 2
- σ(n) — sum of divisors
- 142,530
- φ(n) — Euler's totient
- 142,528
Primality
142,529 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,529 = [377; (1, 1, 7, 1, 3, 1, 12, 1, 2, 4, 1, 6, 2, 4, 3, 1, 18, 8, 1, 4, 1, 6, 1, 20, …)]
Representations
- In words
- one hundred forty-two thousand five hundred twenty-nine
- Ordinal
- 142529th
- Binary
- 100010110011000001
- Octal
- 426301
- Hexadecimal
- 0x22CC1
- Base64
- AizB
- One's complement
- 4,294,824,766 (32-bit)
- Scientific notation
- 1.42529 × 10⁵
- As a duration
- 142,529 s = 1 day, 15 hours, 35 minutes, 29 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβφκθʹ
- Mayan (base 20)
- 𝋱·𝋰·𝋦·𝋩
- Chinese
- 一十四萬二千五百二十九
- Chinese (financial)
- 壹拾肆萬貳仟伍佰貳拾玖
Also seen as
UTF-8 encoding: F0 A2 B3 81 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.44.193.
- Address
- 0.2.44.193
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.44.193
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 142,529 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 142529 first appears in π at position 762,072 of the decimal expansion (the 762,072ordinal-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
- Prime numbers — The building blocks of arithmetic: what primes are, why they matter, and how we find them.
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.