142,975
142,975 is a composite number, odd.
142,975 (one hundred forty-two thousand nine hundred seventy-five) is an odd 6-digit number. It is a composite number with 24 divisors, and factors as 5² × 7 × 19 × 43. Written other ways, in hexadecimal, 0x22E7F.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 28
- Digit product
- 2,520
- Digital root
- 1
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 579,241
- Recamán's sequence
- a(222,466) = 142,975
- Square (n²)
- 20,441,850,625
- Cube (n³)
- 2,922,673,593,109,375
- Divisor count
- 24
- σ(n) — sum of divisors
- 218,240
- φ(n) — Euler's totient
- 90,720
- Sum of prime factors
- 79
Primality
Prime factorization: 5 2 × 7 × 19 × 43
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,975 = [378; (8, 3, 4, 4, 4, 9, 9, 1, 38, 1, 9, 9, 4, 4, 4, 3, 8, 756)]
Period length 18 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-two thousand nine hundred seventy-five
- Ordinal
- 142975th
- Binary
- 100010111001111111
- Octal
- 427177
- Hexadecimal
- 0x22E7F
- Base64
- Ai5/
- One's complement
- 4,294,824,320 (32-bit)
- Scientific notation
- 1.42975 × 10⁵
- As a duration
- 142,975 s = 1 day, 15 hours, 42 minutes, 55 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβϡοεʹ
- Mayan (base 20)
- 𝋱·𝋱·𝋨·𝋯
- Chinese
- 一十四萬二千九百七十五
- Chinese (financial)
- 壹拾肆萬貳仟玖佰柒拾伍
Also seen as
UTF-8 encoding: F0 A2 B9 BF (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.46.127.
- Address
- 0.2.46.127
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.46.127
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 142,975 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.