144,442
144,442 is a composite number, even.
144,442 (one hundred forty-four thousand four hundred forty-two) is an even 6-digit number. It is a composite number with 4 divisors, and factors as 2 × 72,221. Written other ways, in hexadecimal, 0x2343A.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 19
- Digit product
- 512
- Digital root
- 1
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 244,441
- Recamán's sequence
- a(219,532) = 144,442
- Square (n²)
- 20,863,491,364
- Cube (n³)
- 3,013,564,419,598,888
- Divisor count
- 4
- σ(n) — sum of divisors
- 216,666
- φ(n) — Euler's totient
- 72,220
- Sum of prime factors
- 72,223
Primality
Prime factorization: 2 × 72221
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√144,442 = [380; (18, 10, 2, 1, 4, 22, 1, 4, 1, 1, 4, 2, 1, 1, 3, 2, 1, 1, 2, 1, 1, 1, 12, 1, …)]
Representations
- In words
- one hundred forty-four thousand four hundred forty-two
- Ordinal
- 144442nd
- Binary
- 100011010000111010
- Octal
- 432072
- Hexadecimal
- 0x2343A
- Base64
- AjQ6
- One's complement
- 4,294,822,853 (32-bit)
- Scientific notation
- 1.44442 × 10⁵
- As a duration
- 144,442 s = 1 day, 16 hours, 7 minutes, 22 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋 𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρμδυμβʹ
- Mayan (base 20)
- 𝋲·𝋡·𝋢·𝋢
- Chinese
- 一十四萬四千四百四十二
- Chinese (financial)
- 壹拾肆萬肆仟肆佰肆拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 144442, here are decompositions:
- 3 + 144439 = 144442
- 29 + 144413 = 144442
- 59 + 144383 = 144442
- 101 + 144341 = 144442
- 131 + 144311 = 144442
- 239 + 144203 = 144442
- 269 + 144173 = 144442
- 281 + 144161 = 144442
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A3 90 BA (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.52.58.
- Address
- 0.2.52.58
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.52.58
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 144,442 and was likely granted around 1873.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 144442 first appears in π at position 852,980 of the decimal expansion (the 852,980ordinal-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.