142,308
142,308 is a composite number, even.
142,308 (one hundred forty-two thousand three hundred eight) is an even 6-digit number. It is a composite number with 36 divisors, and factors as 2² × 3² × 59 × 67. Its proper divisors sum to 228,972, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x22BE4.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 18
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 803,241
- Recamán's sequence
- a(39,928) = 142,308
- Square (n²)
- 20,251,566,864
- Cube (n³)
- 2,881,959,977,282,112
- Divisor count
- 36
- σ(n) — sum of divisors
- 371,280
- φ(n) — Euler's totient
- 45,936
- Sum of prime factors
- 136
Primality
Prime factorization: 2 2 × 3 2 × 59 × 67
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,308 = [377; (4, 4, 1, 2, 7, 3, 1, 3, 2, 2, 3, 1, 1, 5, 1, 2, 23, 4, 2, 2, 1, 2, 5, 1, …)]
Representations
- In words
- one hundred forty-two thousand three hundred eight
- Ordinal
- 142308th
- Binary
- 100010101111100100
- Octal
- 425744
- Hexadecimal
- 0x22BE4
- Base64
- Aivk
- One's complement
- 4,294,824,987 (32-bit)
- Scientific notation
- 1.42308 × 10⁵
- As a duration
- 142,308 s = 1 day, 15 hours, 31 minutes, 48 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβτηʹ
- Mayan (base 20)
- 𝋱·𝋯·𝋯·𝋨
- Chinese
- 一十四萬二千三百零八
- Chinese (financial)
- 壹拾肆萬貳仟參佰零捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 142308, here are decompositions:
- 11 + 142297 = 142308
- 37 + 142271 = 142308
- 71 + 142237 = 142308
- 97 + 142211 = 142308
- 139 + 142169 = 142308
- 149 + 142159 = 142308
- 151 + 142157 = 142308
- 157 + 142151 = 142308
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 AF A4 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.43.228.
- Address
- 0.2.43.228
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.43.228
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 142,308 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 142308 first appears in π at position 208,246 of the decimal expansion (the 208,246ordinal-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°.