144,742
144,742 is a composite number, even.
144,742 (one hundred forty-four thousand seven hundred forty-two) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 13 × 19 × 293. Written other ways, in hexadecimal, 0x23566.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 22
- Digit product
- 896
- Digital root
- 4
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 247,441
- Recamán's sequence
- a(218,932) = 144,742
- Square (n²)
- 20,950,246,564
- Cube (n³)
- 3,032,380,588,166,488
- Divisor count
- 16
- σ(n) — sum of divisors
- 246,960
- φ(n) — Euler's totient
- 63,072
- Sum of prime factors
- 327
Primality
Prime factorization: 2 × 13 × 19 × 293
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√144,742 = [380; (2, 4, 2, 8, 1, 16, 1, 4, 34, 2, 1, 1, 1, 1, 10, 2, 2, 2, 1, 5, 1, 1, 2, 1, …)]
Period length 46 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-four thousand seven hundred forty-two
- Ordinal
- 144742nd
- Binary
- 100011010101100110
- Octal
- 432546
- Hexadecimal
- 0x23566
- Base64
- AjVm
- One's complement
- 4,294,822,553 (32-bit)
- Scientific notation
- 1.44742 × 10⁵
- As a duration
- 144,742 s = 1 day, 16 hours, 12 minutes, 22 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋 𒌋𒁹𒁹 𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρμδψμβʹ
- Mayan (base 20)
- 𝋲·𝋡·𝋱·𝋢
- Chinese
- 一十四萬四千七百四十二
- Chinese (financial)
- 壹拾肆萬肆仟柒佰肆拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 144742, here are decompositions:
- 5 + 144737 = 144742
- 11 + 144731 = 144742
- 23 + 144719 = 144742
- 41 + 144701 = 144742
- 71 + 144671 = 144742
- 83 + 144659 = 144742
- 113 + 144629 = 144742
- 131 + 144611 = 144742
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A3 95 A6 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.53.102.
- Address
- 0.2.53.102
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.53.102
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 144,742 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 144742 first appears in π at position 525,703 of the decimal expansion (the 525,703ordinal-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.