142,944
142,944 is a composite number, even.
142,944 (one hundred forty-two thousand nine hundred forty-four) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2⁵ × 3 × 1,489. Its proper divisors sum to 232,536, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x22E60.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 24
- Digit product
- 1,152
- Digital root
- 6
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 449,241
- Recamán's sequence
- a(222,528) = 142,944
- Square (n²)
- 20,432,987,136
- Cube (n³)
- 2,920,772,913,168,384
- Divisor count
- 24
- σ(n) — sum of divisors
- 375,480
- φ(n) — Euler's totient
- 47,616
- Sum of prime factors
- 1,502
Primality
Prime factorization: 2 5 × 3 × 1489
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,944 = [378; (12, 1, 1, 1, 1, 29, 1, 1, 1, 4, 15, 1, 6, 1, 15, 4, 1, 1, 1, 29, 1, 1, 1, 1, …)]
Period length 26 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-two thousand nine hundred forty-four
- Ordinal
- 142944th
- Binary
- 100010111001100000
- Octal
- 427140
- Hexadecimal
- 0x22E60
- Base64
- Ai5g
- One's complement
- 4,294,824,351 (32-bit)
- Scientific notation
- 1.42944 × 10⁵
- As a duration
- 142,944 s = 1 day, 15 hours, 42 minutes, 24 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβϡμδʹ
- Mayan (base 20)
- 𝋱·𝋱·𝋧·𝋤
- Chinese
- 一十四萬二千九百四十四
- Chinese (financial)
- 壹拾肆萬貳仟玖佰肆拾肆
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 142944, here are decompositions:
- 5 + 142939 = 142944
- 37 + 142907 = 142944
- 41 + 142903 = 142944
- 47 + 142897 = 142944
- 71 + 142873 = 142944
- 73 + 142871 = 142944
- 103 + 142841 = 142944
- 107 + 142837 = 142944
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 B9 A0 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.46.96.
- Address
- 0.2.46.96
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.46.96
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 142,944 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 142944 first appears in π at position 688,224 of the decimal expansion (the 688,224ordinal-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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.