142,243
142,243 is a composite number, odd.
142,243 (one hundred forty-two thousand two hundred forty-three) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 103 × 1,381. Written other ways, in hexadecimal, 0x22BA3.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 16
- Digit product
- 192
- Digital root
- 7
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 342,241
- Recamán's sequence
- a(39,798) = 142,243
- Square (n²)
- 20,233,071,049
- Cube (n³)
- 2,878,012,725,222,907
- Divisor count
- 4
- σ(n) — sum of divisors
- 143,728
- φ(n) — Euler's totient
- 140,760
- Sum of prime factors
- 1,484
Primality
Prime factorization: 103 × 1381
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,243 = [377; (6, 1, 1, 1, 1, 2, 251, 19, 1, 5, 2, 83, 2, 1, 5, 1, 18, 2, 27, 2, 4, 1, 1, 57, …)]
Representations
- In words
- one hundred forty-two thousand two hundred forty-three
- Ordinal
- 142243rd
- Binary
- 100010101110100011
- Octal
- 425643
- Hexadecimal
- 0x22BA3
- Base64
- Aiuj
- One's complement
- 4,294,825,052 (32-bit)
- Scientific notation
- 1.42243 × 10⁵
- As a duration
- 142,243 s = 1 day, 15 hours, 30 minutes, 43 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋 𒌋𒌋𒌋𒌋𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβσμγʹ
- Mayan (base 20)
- 𝋱·𝋯·𝋬·𝋣
- Chinese
- 一十四萬二千二百四十三
- Chinese (financial)
- 壹拾肆萬貳仟貳佰肆拾參
Also seen as
UTF-8 encoding: F0 A2 AE A3 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.43.163.
- Address
- 0.2.43.163
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.43.163
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 142,243 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 142243 first appears in π at position 972,278 of the decimal expansion (the 972,278ordinal-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.