142,008
142,008 is a composite number, even.
142,008 (one hundred forty-two thousand eight) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2³ × 3 × 61 × 97. Its proper divisors sum to 222,552, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x22AB8.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 15
- Digit product
- 0
- Digital root
- 6
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 800,241
- Recamán's sequence
- a(484,811) = 142,008
- Square (n²)
- 20,166,272,064
- Cube (n³)
- 2,863,771,963,264,512
- Divisor count
- 32
- σ(n) — sum of divisors
- 364,560
- φ(n) — Euler's totient
- 46,080
- Sum of prime factors
- 167
Primality
Prime factorization: 2 3 × 3 × 61 × 97
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,008 = [376; (1, 5, 4, 2, 1, 7, 1, 6, 1, 7, 1, 2, 4, 5, 1, 752)]
Period length 16 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-two thousand eight
- Ordinal
- 142008th
- Binary
- 100010101010111000
- Octal
- 425270
- Hexadecimal
- 0x22AB8
- Base64
- Aiq4
- One's complement
- 4,294,825,287 (32-bit)
- Scientific notation
- 1.42008 × 10⁵
- As a duration
- 142,008 s = 1 day, 15 hours, 26 minutes, 48 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβηʹ
- Mayan (base 20)
- 𝋱·𝋯·𝋠·𝋨
- Chinese
- 一十四萬二千零八
- Chinese (financial)
- 壹拾肆萬貳仟零捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 142008, here are decompositions:
- 17 + 141991 = 142008
- 37 + 141971 = 142008
- 47 + 141961 = 142008
- 67 + 141941 = 142008
- 71 + 141937 = 142008
- 101 + 141907 = 142008
- 137 + 141871 = 142008
- 157 + 141851 = 142008
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 AA B8 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.42.184.
- Address
- 0.2.42.184
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.42.184
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 142,008 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 142008 first appears in π at position 127,559 of the decimal expansion (the 127,559ordinal-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°.