142,392
142,392 is a composite number, even.
142,392 (one hundred forty-two thousand three hundred ninety-two) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2³ × 3 × 17 × 349. Its proper divisors sum to 235,608, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x22C38.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 21
- Digit product
- 432
- Digital root
- 3
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 293,241
- Recamán's sequence
- a(40,096) = 142,392
- Square (n²)
- 20,275,481,664
- Cube (n³)
- 2,887,066,385,100,288
- Divisor count
- 32
- σ(n) — sum of divisors
- 378,000
- φ(n) — Euler's totient
- 44,544
- Sum of prime factors
- 375
Primality
Prime factorization: 2 3 × 3 × 17 × 349
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,392 = [377; (2, 1, 6, 1, 1, 2, 3, 1, 1, 3, 1, 9, 6, 1, 2, 3, 2, 1, 6, 9, 1, 3, 1, 1, …)]
Period length 32 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-two thousand three hundred ninety-two
- Ordinal
- 142392nd
- Binary
- 100010110000111000
- Octal
- 426070
- Hexadecimal
- 0x22C38
- Base64
- Aiw4
- One's complement
- 4,294,824,903 (32-bit)
- Scientific notation
- 1.42392 × 10⁵
- As a duration
- 142,392 s = 1 day, 15 hours, 33 minutes, 12 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρμβτϟβʹ
- Mayan (base 20)
- 𝋱·𝋯·𝋳·𝋬
- Chinese
- 一十四萬二千三百九十二
- Chinese (financial)
- 壹拾肆萬貳仟參佰玖拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 142392, here are decompositions:
- 11 + 142381 = 142392
- 23 + 142369 = 142392
- 73 + 142319 = 142392
- 181 + 142211 = 142392
- 199 + 142193 = 142392
- 223 + 142169 = 142392
- 233 + 142159 = 142392
- 241 + 142151 = 142392
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 B0 B8 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.44.56.
- Address
- 0.2.44.56
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.44.56
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 142,392 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 142392 first appears in π at position 223,775 of the decimal expansion (the 223,775ordinal-suffix:th 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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.