142,443
142,443 is a composite number, odd.
142,443 (one hundred forty-two thousand four hundred forty-three) is an odd 6-digit number. It is a composite number with 36 divisors, and factors as 3² × 7² × 17 × 19. Written other ways, in hexadecimal, 0x22C6B.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 18
- Digit product
- 384
- Digital root
- 9
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 344,241
- Recamán's sequence
- a(40,198) = 142,443
- Square (n²)
- 20,290,008,249
- Cube (n³)
- 2,890,169,645,012,307
- Divisor count
- 36
- σ(n) — sum of divisors
- 266,760
- φ(n) — Euler's totient
- 72,576
- Sum of prime factors
- 56
Primality
Prime factorization: 3 2 × 7 2 × 17 × 19
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,443 = [377; (2, 2, 2, 14, 1, 82, 1, 14, 2, 2, 2, 754)]
Period length 12 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-two thousand four hundred forty-three
- Ordinal
- 142443rd
- Binary
- 100010110001101011
- Octal
- 426153
- Hexadecimal
- 0x22C6B
- Base64
- Aixr
- One's complement
- 4,294,824,852 (32-bit)
- Scientific notation
- 1.42443 × 10⁵
- As a duration
- 142,443 s = 1 day, 15 hours, 34 minutes, 3 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβυμγʹ
- Mayan (base 20)
- 𝋱·𝋰·𝋢·𝋣
- Chinese
- 一十四萬二千四百四十三
- Chinese (financial)
- 壹拾肆萬貳仟肆佰肆拾參
Also seen as
UTF-8 encoding: F0 A2 B1 AB (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.44.107.
- Address
- 0.2.44.107
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.44.107
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 142,443 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 142443 first appears in π at position 633,756 of the decimal expansion (the 633,756ordinal-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°.