1,026,642
1,026,642 is a composite number, even.
1,026,642 (one million twenty-six thousand six hundred forty-two) is an even 7-digit number. It is a composite number with 16 divisors, and factors as 2 × 3 × 397 × 431. Its proper divisors sum to 1,036,590, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xFAA52.
Interestingness
Properties
- Parity
- Even
- Digit count
- 7
- Digit sum
- 21
- Digit product
- 0
- Digital root
- 3
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 2,466,201
- Square (n²)
- 1,053,993,796,164
- Cube (n³)
- 1,082,074,298,881,401,288
- Divisor count
- 16
- σ(n) — sum of divisors
- 2,063,232
- φ(n) — Euler's totient
- 340,560
- Sum of prime factors
- 833
Primality
Prime factorization: 2 × 3 × 397 × 431
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√1,026,642 = [1013; (4, 3, 1, 1, 10, 23, 5, 20, 1, 2, 3, 1, 6, 2, 3, 1, 4, 1, 1, 16, 4, 1, 143, 1, …)]
Representations
- In words
- one million twenty-six thousand six hundred forty-two
- Ordinal
- 1026642nd
- Binary
- 11111010101001010010
- Octal
- 3725122
- Hexadecimal
- 0xFAA52
- Base64
- D6pS
- One's complement
- 4,293,940,653 (32-bit)
- Scientific notation
- 1.026642 × 10⁶
- As a duration
- 1,026,642 s = 11 days, 21 hours, 10 minutes, 42 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋 𒌋𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓁨𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
- Chinese
- 一百零二萬六千六百四十二
- Chinese (financial)
- 壹佰零貳萬陸仟陸佰肆拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1026642, here are decompositions:
- 59 + 1026583 = 1026642
- 61 + 1026581 = 1026642
- 79 + 1026563 = 1026642
- 163 + 1026479 = 1026642
- 193 + 1026449 = 1026642
- 229 + 1026413 = 1026642
- 241 + 1026401 = 1026642
- 251 + 1026391 = 1026642
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.170.82.
- Address
- 0.15.170.82
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.170.82
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Could be parsed as a date. Most likely interpretation: Sunday, January 2, 6642 (MDDYYYY (US, single-digit month)).
Other possible interpretations (3)
- 6642-02-01 (DMMYYYY (Euro, single-digit day))
- 6642-10-02 (MMDYYYY (US, single-digit day))
- 6642-02-10 (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 1,026,642 and was likely granted around 1912.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 1026642 first appears in π at position 749,716 of the decimal expansion (the 749,716ordinal-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°.