142,144
142,144 is a composite number, even.
142,144 (one hundred forty-two thousand one hundred forty-four) is an even 6-digit number. It is a composite number with 14 divisors, and factors as 2⁶ × 2,221. Written other ways, in hexadecimal, 0x22B40.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 16
- Digit product
- 128
- Digital root
- 7
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 441,241
- Recamán's sequence
- a(39,600) = 142,144
- Square (n²)
- 20,204,916,736
- Cube (n³)
- 2,872,007,684,521,984
- Divisor count
- 14
- σ(n) — sum of divisors
- 282,194
- φ(n) — Euler's totient
- 71,040
- Sum of prime factors
- 2,233
Primality
Prime factorization: 2 6 × 2221
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,144 = [377; (50, 3, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 32, 2, 11, 2, 10, 7, 11, 1, …)]
Representations
- In words
- one hundred forty-two thousand one hundred forty-four
- Ordinal
- 142144th
- Binary
- 100010101101000000
- Octal
- 425500
- Hexadecimal
- 0x22B40
- Base64
- AitA
- One's complement
- 4,294,825,151 (32-bit)
- Scientific notation
- 1.42144 × 10⁵
- As a duration
- 142,144 s = 1 day, 15 hours, 29 minutes, 4 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβρμδʹ
- Mayan (base 20)
- 𝋱·𝋯·𝋧·𝋤
- Chinese
- 一十四萬二千一百四十四
- Chinese (financial)
- 壹拾肆萬貳仟壹佰肆拾肆
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 142144, here are decompositions:
- 47 + 142097 = 142144
- 83 + 142061 = 142144
- 113 + 142031 = 142144
- 137 + 142007 = 142144
- 173 + 141971 = 142144
- 227 + 141917 = 142144
- 281 + 141863 = 142144
- 293 + 141851 = 142144
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 AD 80 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.43.64.
- Address
- 0.2.43.64
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.43.64
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 142,144 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 142144 first appears in π at position 34,583 of the decimal expansion (the 34,583ordinal-suffix:rd 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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.