142,184
142,184 is a composite number, even.
142,184 (one hundred forty-two thousand one hundred eighty-four) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2³ × 7 × 2,539. Its proper divisors sum to 162,616, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x22B68.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 256
- Digital root
- 2
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 481,241
- Recamán's sequence
- a(39,680) = 142,184
- Square (n²)
- 20,216,289,856
- Cube (n³)
- 2,874,432,956,885,504
- Divisor count
- 16
- σ(n) — sum of divisors
- 304,800
- φ(n) — Euler's totient
- 60,912
- Sum of prime factors
- 2,552
Primality
Prime factorization: 2 3 × 7 × 2539
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,184 = [377; (13, 1, 2, 2, 4, 1, 5, 1, 1, 11, 15, 1, 23, 2, 1, 1, 3, 5, 4, 2, 2, 4, 18, 1, …)]
Representations
- In words
- one hundred forty-two thousand one hundred eighty-four
- Ordinal
- 142184th
- Binary
- 100010101101101000
- Octal
- 425550
- Hexadecimal
- 0x22B68
- Base64
- Aito
- One's complement
- 4,294,825,111 (32-bit)
- Scientific notation
- 1.42184 × 10⁵
- As a duration
- 142,184 s = 1 day, 15 hours, 29 minutes, 44 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβρπδʹ
- Mayan (base 20)
- 𝋱·𝋯·𝋩·𝋤
- Chinese
- 一十四萬二千一百八十四
- Chinese (financial)
- 壹拾肆萬貳仟壹佰捌拾肆
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 142184, here are decompositions:
- 61 + 142123 = 142184
- 73 + 142111 = 142184
- 127 + 142057 = 142184
- 193 + 141991 = 142184
- 223 + 141961 = 142184
- 277 + 141907 = 142184
- 313 + 141871 = 142184
- 331 + 141853 = 142184
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 AD A8 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.43.104.
- Address
- 0.2.43.104
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.43.104
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 142,184 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.