1,055,143
1,055,143 is a prime, odd.
1,055,143 (one million fifty-five thousand one 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, 0x1019A7.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 7
- Digit sum
- 19
- Digit product
- 0
- Digital root
- 1
- Palindrome
- No
- Bit width
- 21 bits
- Reversed
- 3,415,501
- Square (n²)
- 1,113,326,750,449
- Cube (n³)
- 1,174,718,927,449,009,207
- Divisor count
- 2
- σ(n) — sum of divisors
- 1,055,144
- φ(n) — Euler's totient
- 1,055,142
Primality
1,055,143 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√1,055,143 = [1027; (4, 1, 25, 4, 1, 7, 14, 2, 1, 17, 1, 1, 39, 1, 3, 3, 10, 62, 6, 2, 1, 9, 2, 17, …)]
Representations
- In words
- one million fifty-five thousand one hundred forty-three
- Ordinal
- 1055143rd
- Binary
- 100000001100110100111
- Octal
- 4014647
- Hexadecimal
- 0x1019A7
- Base64
- EBmn
- One's complement
- 4,293,912,152 (32-bit)
- Scientific notation
- 1.055143 × 10⁶
- As a duration
- 1,055,143 s = 12 days, 5 hours, 5 minutes, 43 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓁨𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺
- Chinese
- 一百零五萬五千一百四十三
- Chinese (financial)
- 壹佰零伍萬伍仟壹佰肆拾參
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.16.25.167.
- Address
- 0.16.25.167
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.16.25.167
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Could be parsed as a date. Most likely interpretation: Tuesday, January 5, 5143 (MDDYYYY (US, single-digit month)).
Other possible interpretations (3)
- 5143-05-01 (DMMYYYY (Euro, single-digit day))
- 5143-10-05 (MMDYYYY (US, single-digit day))
- 5143-05-10 (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 1,055,143 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.