990,318
990,318 is a composite number, even.
990,318 (nine hundred ninety thousand three hundred eighteen) is an even 6-digit number. It is a composite number with 64 divisors, and factors as 2 × 3 × 7 × 17 × 19 × 73. Its proper divisors sum to 1,567,122, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF1C6E.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 30
- Digit product
- 0
- Digital root
- 3
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 813,099
- Square (n²)
- 980,729,741,124
- Cube (n³)
- 971,234,315,770,437,432
- Divisor count
- 64
- σ(n) — sum of divisors
- 2,557,440
- φ(n) — Euler's totient
- 248,832
- Sum of prime factors
- 121
Primality
Prime factorization: 2 × 3 × 7 × 17 × 19 × 73
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√990,318 = [995; (6, 1, 3, 1, 4, 2, 2, 15, 1, 3, 2, 2, 2, 11, 2, 1, 3, 4, 3, 1, 2, 11, 2, 2, …)]
Period length 36 — the block in parentheses repeats forever.
Representations
- In words
- nine hundred ninety thousand three hundred eighteen
- Ordinal
- 990318th
- Binary
- 11110001110001101110
- Octal
- 3616156
- Hexadecimal
- 0xF1C6E
- Base64
- Dxxu
- One's complement
- 4,293,976,977 (32-bit)
- Scientific notation
- 9.90318 × 10⁵
- As a duration
- 990,318 s = 11 days, 11 hours, 5 minutes, 18 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓍢𓍢𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ϡϟτιηʹ
- Chinese
- 九十九萬零三百一十八
- Chinese (financial)
- 玖拾玖萬零參佰壹拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 990318, here are decompositions:
- 5 + 990313 = 990318
- 11 + 990307 = 990318
- 29 + 990289 = 990318
- 31 + 990287 = 990318
- 37 + 990281 = 990318
- 41 + 990277 = 990318
- 59 + 990259 = 990318
- 79 + 990239 = 990318
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.28.110.
- Address
- 0.15.28.110
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.28.110
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 990,318 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 990318 first appears in π at position 509,912 of the decimal expansion (the 509,912ordinal-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°.