990,166
990,166 is a composite number, even.
990,166 (nine hundred ninety thousand one hundred sixty-six) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 19 × 71 × 367. Written other ways, in hexadecimal, 0xF1BD6.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 31
- Digit product
- 0
- Digital root
- 4
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 661,099
- Flips to (rotate 180°)
- 991,066
- Square (n²)
- 980,428,707,556
- Cube (n³)
- 970,787,171,645,894,296
- Divisor count
- 16
- σ(n) — sum of divisors
- 1,589,760
- φ(n) — Euler's totient
- 461,160
- Sum of prime factors
- 459
Primality
Prime factorization: 2 × 19 × 71 × 367
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√990,166 = [995; (14, 8, 1, 3, 2, 2, 1, 1, 5, 27, 12, 40, 1, 1, 7, 3, 2, 1, 5, 4, 7, 1, 1, 3, …)]
Representations
- In words
- nine hundred ninety thousand one hundred sixty-six
- Ordinal
- 990166th
- Binary
- 11110001101111010110
- Octal
- 3615726
- Hexadecimal
- 0xF1BD6
- Base64
- DxvW
- One's complement
- 4,293,977,129 (32-bit)
- Scientific notation
- 9.90166 × 10⁵
- As a duration
- 990,166 s = 11 days, 11 hours, 2 minutes, 46 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ϡϟρξϛʹ
- Chinese
- 九十九萬零一百六十六
- Chinese (financial)
- 玖拾玖萬零壹佰陸拾陸
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 990166, here are decompositions:
- 3 + 990163 = 990166
- 29 + 990137 = 990166
- 113 + 990053 = 990166
- 167 + 989999 = 990166
- 227 + 989939 = 990166
- 257 + 989909 = 990166
- 293 + 989873 = 990166
- 383 + 989783 = 990166
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.27.214.
- Address
- 0.15.27.214
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.27.214
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 990,166 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 990166 first appears in π at position 412,608 of the decimal expansion (the 412,608ordinal-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°.