142,338
142,338 is a composite number, even.
142,338 (one hundred forty-two thousand three hundred thirty-eight) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 3 × 7 × 3,389. Its proper divisors sum to 183,102, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x22C02.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 21
- Digit product
- 576
- Digital root
- 3
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 833,241
- Recamán's sequence
- a(39,988) = 142,338
- Square (n²)
- 20,260,106,244
- Cube (n³)
- 2,883,783,002,558,472
- Divisor count
- 16
- σ(n) — sum of divisors
- 325,440
- φ(n) — Euler's totient
- 40,656
- Sum of prime factors
- 3,401
Primality
Prime factorization: 2 × 3 × 7 × 3389
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,338 = [377; (3, 1, 1, 1, 1, 3, 1, 5, 1, 5, 11, 3, 1, 4, 1, 1, 3, 1, 3, 1, 2, 1, 4, 1, …)]
Representations
- In words
- one hundred forty-two thousand three hundred thirty-eight
- Ordinal
- 142338th
- Binary
- 100010110000000010
- Octal
- 426002
- Hexadecimal
- 0x22C02
- Base64
- AiwC
- One's complement
- 4,294,824,957 (32-bit)
- Scientific notation
- 1.42338 × 10⁵
- As a duration
- 142,338 s = 1 day, 15 hours, 32 minutes, 18 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβτληʹ
- Mayan (base 20)
- 𝋱·𝋯·𝋰·𝋲
- Chinese
- 一十四萬二千三百三十八
- Chinese (financial)
- 壹拾肆萬貳仟參佰參拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 142338, here are decompositions:
- 11 + 142327 = 142338
- 19 + 142319 = 142338
- 41 + 142297 = 142338
- 67 + 142271 = 142338
- 101 + 142237 = 142338
- 107 + 142231 = 142338
- 127 + 142211 = 142338
- 149 + 142189 = 142338
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 B0 82 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.44.2.
- Address
- 0.2.44.2
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.44.2
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 142,338 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 142338 first appears in π at position 392,630 of the decimal expansion (the 392,630ordinal-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°.