142,444
142,444 is a composite number, even.
142,444 (one hundred forty-two thousand four hundred forty-four) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2² × 149 × 239. Written other ways, in hexadecimal, 0x22C6C.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 19
- Digit product
- 512
- Digital root
- 1
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 444,241
- Recamán's sequence
- a(40,200) = 142,444
- Square (n²)
- 20,290,293,136
- Cube (n³)
- 2,890,230,515,464,384
- Divisor count
- 12
- σ(n) — sum of divisors
- 252,000
- φ(n) — Euler's totient
- 70,448
- Sum of prime factors
- 392
Primality
Prime factorization: 2 2 × 149 × 239
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,444 = [377; (2, 2, 1, 1, 7, 2, 1, 3, 5, 1, 6, 2, 2, 1, 1, 7, 1, 150, 11, 1, 38, 1, 4, 3, …)]
Representations
- In words
- one hundred forty-two thousand four hundred forty-four
- Ordinal
- 142444th
- Binary
- 100010110001101100
- Octal
- 426154
- Hexadecimal
- 0x22C6C
- Base64
- Aixs
- One's complement
- 4,294,824,851 (32-bit)
- Scientific notation
- 1.42444 × 10⁵
- As a duration
- 142,444 s = 1 day, 15 hours, 34 minutes, 4 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβυμδʹ
- Mayan (base 20)
- 𝋱·𝋰·𝋢·𝋤
- Chinese
- 一十四萬二千四百四十四
- Chinese (financial)
- 壹拾肆萬貳仟肆佰肆拾肆
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 142444, here are decompositions:
- 11 + 142433 = 142444
- 17 + 142427 = 142444
- 23 + 142421 = 142444
- 41 + 142403 = 142444
- 53 + 142391 = 142444
- 173 + 142271 = 142444
- 227 + 142217 = 142444
- 233 + 142211 = 142444
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 B1 AC (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.44.108.
- Address
- 0.2.44.108
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.44.108
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 142,444 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 142444 first appears in π at position 207,617 of the decimal expansion (the 207,617ordinal-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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.