981,022
981,022 is a composite number, even.
981,022 (nine hundred eighty-one thousand twenty-two) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 7 × 79 × 887. Written other ways, in hexadecimal, 0xEF81E.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 22
- Digit product
- 0
- Digital root
- 4
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 220,189
- Recamán's sequence
- a(324,367) = 981,022
- Square (n²)
- 962,404,164,484
- Cube (n³)
- 944,139,658,250,422,648
- Divisor count
- 16
- σ(n) — sum of divisors
- 1,704,960
- φ(n) — Euler's totient
- 414,648
- Sum of prime factors
- 975
Primality
Prime factorization: 2 × 7 × 79 × 887
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√981,022 = [990; (2, 6, 1, 3, 9, 1, 2, 3, 2, 11, 1, 3, 1, 4, 1, 10, 2, 1, 2, 1, 13, 1, 1, 1, …)]
Representations
- In words
- nine hundred eighty-one thousand twenty-two
- Ordinal
- 981022nd
- Binary
- 11101111100000011110
- Octal
- 3574036
- Hexadecimal
- 0xEF81E
- Base64
- Dvge
- One's complement
- 4,293,986,273 (32-bit)
- Scientific notation
- 9.81022 × 10⁵
- As a duration
- 981,022 s = 11 days, 8 hours, 30 minutes, 22 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒌋 𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ϡπακβʹ
- Chinese
- 九十八萬一千零二十二
- Chinese (financial)
- 玖拾捌萬壹仟零貳拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 981022, here are decompositions:
- 5 + 981017 = 981022
- 11 + 981011 = 981022
- 23 + 980999 = 981022
- 59 + 980963 = 981022
- 101 + 980921 = 981022
- 113 + 980909 = 981022
- 191 + 980831 = 981022
- 293 + 980729 = 981022
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.14.248.30.
- Address
- 0.14.248.30
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.14.248.30
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 981,022 and was likely granted around 1910.
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°.