1,042,243
1,042,243 is a prime, odd.
1,042,243 (one million forty-two thousand two hundred forty-three) is an odd 7-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0xFE743.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 7
- Digit sum
- 16
- Digit product
- 0
- Digital root
- 7
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 3,422,401
- Square (n²)
- 1,086,270,471,049
- Cube (n³)
- 1,132,157,794,557,522,907
- Divisor count
- 2
- σ(n) — sum of divisors
- 1,042,244
- φ(n) — Euler's totient
- 1,042,242
Primality
1,042,243 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√1,042,243 = [1020; (1, 9, 3, 5, 27, 2, 2, 9, 2, 1, 2, 1, 1, 5, 2, 1, 1, 4, 8, 5, 2, 2, 3, 33, …)]
Representations
- In words
- one million forty-two thousand two hundred forty-three
- Ordinal
- 1042243rd
- Binary
- 11111110011101000011
- Octal
- 3763503
- Hexadecimal
- 0xFE743
- Base64
- D+dD
- One's complement
- 4,293,925,052 (32-bit)
- Scientific notation
- 1.042243 × 10⁶
- As a duration
- 1,042,243 s = 12 days, 1 hour, 30 minutes, 43 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋 𒌋𒌋𒌋𒌋𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓁨𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺
- Chinese
- 一百零四萬二千二百四十三
- Chinese (financial)
- 壹佰零肆萬貳仟貳佰肆拾參
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.15.231.67.
- Address
- 0.15.231.67
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.231.67
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Could be parsed as a date. Most likely interpretation: Wednesday, January 4, 2243 (MDDYYYY (US, single-digit month)).
Other possible interpretations (3)
- 2243-04-01 (DMMYYYY (Euro, single-digit day))
- 2243-10-04 (MMDYYYY (US, single-digit day))
- 2243-04-10 (DDMYYYY (Euro, single-digit month))
This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 1,042,243 and was likely granted around 1912.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Prime numbers — The building blocks of arithmetic: what primes are, why they matter, and how we find them.
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.