142,523
142,523 is a composite number, odd.
142,523 (one hundred forty-two thousand five hundred twenty-three) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 359 × 397. Written other ways, in hexadecimal, 0x22CBB.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 17
- Digit product
- 240
- Digital root
- 8
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 325,241
- Recamán's sequence
- a(223,370) = 142,523
- Square (n²)
- 20,312,805,529
- Cube (n³)
- 2,895,041,982,409,667
- Divisor count
- 4
- σ(n) — sum of divisors
- 143,280
- φ(n) — Euler's totient
- 141,768
- Sum of prime factors
- 756
Primality
Prime factorization: 359 × 397
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,523 = [377; (1, 1, 10, 1, 3, 3, 24, 20, 2, 1, 2, 1, 3, 1, 3, 1, 5, 2, 1, 1, 16, 1, 28, 10, …)]
Representations
- In words
- one hundred forty-two thousand five hundred twenty-three
- Ordinal
- 142523rd
- Binary
- 100010110010111011
- Octal
- 426273
- Hexadecimal
- 0x22CBB
- Base64
- Aiy7
- One's complement
- 4,294,824,772 (32-bit)
- Scientific notation
- 1.42523 × 10⁵
- As a duration
- 142,523 s = 1 day, 15 hours, 35 minutes, 23 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβφκγʹ
- Mayan (base 20)
- 𝋱·𝋰·𝋦·𝋣
- Chinese
- 一十四萬二千五百二十三
- Chinese (financial)
- 壹拾肆萬貳仟伍佰貳拾參
Also seen as
UTF-8 encoding: F0 A2 B2 BB (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.44.187.
- Address
- 0.2.44.187
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.44.187
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 142,523 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.