990,118
990,118 is a composite number, even.
990,118 (nine hundred ninety thousand one hundred eighteen) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 29 × 43 × 397. Written other ways, in hexadecimal, 0xF1BA6.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 28
- Digit product
- 0
- Digital root
- 1
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 811,099
- Flips to (rotate 180°)
- 811,066
- Square (n²)
- 980,333,653,924
- Cube (n³)
- 970,645,996,755,923,032
- Divisor count
- 16
- σ(n) — sum of divisors
- 1,576,080
- φ(n) — Euler's totient
- 465,696
- Sum of prime factors
- 471
Primality
Prime factorization: 2 × 29 × 43 × 397
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√990,118 = [995; (21, 2, 1, 1, 23, 1, 2, 23, 1, 1, 1, 3, 2, 1, 2, 1, 2, 5, 1, 34, 14, 11, 1, 2, …)]
Representations
- In words
- nine hundred ninety thousand one hundred eighteen
- Ordinal
- 990118th
- Binary
- 11110001101110100110
- Octal
- 3615646
- Hexadecimal
- 0xF1BA6
- Base64
- Dxum
- One's complement
- 4,293,977,177 (32-bit)
- Scientific notation
- 9.90118 × 10⁵
- As a duration
- 990,118 s = 11 days, 11 hours, 1 minute, 58 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ϡϟριηʹ
- Chinese
- 九十九萬零一百一十八
- Chinese (financial)
- 玖拾玖萬零壹佰壹拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 990118, here are decompositions:
- 137 + 989981 = 990118
- 167 + 989951 = 990118
- 179 + 989939 = 990118
- 197 + 989921 = 990118
- 281 + 989837 = 990118
- 431 + 989687 = 990118
- 557 + 989561 = 990118
- 641 + 989477 = 990118
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.27.166.
- Address
- 0.15.27.166
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.27.166
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 990,118 and was likely granted around 1911.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 990118 first appears in π at position 324,488 of the decimal expansion (the 324,488ordinal-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°.