1,042,800
1,042,800 is a composite number, even.
1,042,800 (one million forty-two thousand eight hundred) is an even 7-digit number. It is a composite number with 120 divisors, and factors as 2⁴ × 3 × 5² × 11 × 79. Its proper divisors sum to 2,647,440, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xFE970.
Interestingness
Properties
- Parity
- Even
- Digit count
- 7
- Digit sum
- 15
- Digit product
- 0
- Digital root
- 6
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 82,401
- Square (n²)
- 1,087,431,840,000
- Cube (n³)
- 1,133,973,922,752,000,000
- Divisor count
- 120
- σ(n) — sum of divisors
- 3,690,240
- φ(n) — Euler's totient
- 249,600
- Sum of prime factors
- 111
Primality
Prime factorization: 2 4 × 3 × 5 2 × 11 × 79
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√1,042,800 = [1021; (5, 1, 2, 4, 1, 3, 21, 81, 1, 1, 1, 4, 1, 126, 1, 4, 1, 1, 1, 81, 21, 3, 1, 4, …)]
Period length 28 — the block in parentheses repeats forever.
Representations
- In words
- one million forty-two thousand eight hundred
- Ordinal
- 1042800th
- Binary
- 11111110100101110000
- Octal
- 3764560
- Hexadecimal
- 0xFE970
- Base64
- D+lw
- One's complement
- 4,293,924,495 (32-bit)
- Scientific notation
- 1.0428 × 10⁶
- As a duration
- 1,042,800 s = 12 days, 1 hour, 40 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋 ·
- Egyptian hieroglyphic
- 𓁨𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢
- Chinese
- 一百零四萬二千八百
- Chinese (financial)
- 壹佰零肆萬貳仟捌佰
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1042800, here are decompositions:
- 19 + 1042781 = 1042800
- 41 + 1042759 = 1042800
- 67 + 1042733 = 1042800
- 97 + 1042703 = 1042800
- 107 + 1042693 = 1042800
- 113 + 1042687 = 1042800
- 167 + 1042633 = 1042800
- 181 + 1042619 = 1042800
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.233.112.
- Address
- 0.15.233.112
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.233.112
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Could be parsed as a date. Most likely interpretation: Tuesday, January 4, 2800 (MDDYYYY (US, single-digit month)).
Other possible interpretations (3)
- 2800-04-01 (DMMYYYY (Euro, single-digit day))
- 2800-10-04 (MMDYYYY (US, single-digit day))
- 2800-04-10 (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 1,042,800 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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.