990,124
990,124 is a composite number, even.
990,124 (nine hundred ninety thousand one hundred twenty-four) is an even 6-digit number. It is a composite number with 6 divisors, and factors as 2² × 247,531. Written other ways, in hexadecimal, 0xF1BAC.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 25
- Digit product
- 0
- Digital root
- 7
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 421,099
- Square (n²)
- 980,345,535,376
- Cube (n³)
- 970,663,642,868,626,624
- Divisor count
- 6
- σ(n) — sum of divisors
- 1,732,724
- φ(n) — Euler's totient
- 495,060
- Sum of prime factors
- 247,535
Primality
Prime factorization: 2 2 × 247531
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√990,124 = [995; (20, 9, 1, 5, 1, 2, 2, 6, 27, 1, 6, 1, 13, 1, 6, 1, 1, 11, 1, 1, 8, 1, 1, 3, …)]
Representations
- In words
- nine hundred ninety thousand one hundred twenty-four
- Ordinal
- 990124th
- Binary
- 11110001101110101100
- Octal
- 3615654
- Hexadecimal
- 0xF1BAC
- Base64
- Dxus
- One's complement
- 4,293,977,171 (32-bit)
- Scientific notation
- 9.90124 × 10⁵
- As a duration
- 990,124 s = 11 days, 11 hours, 2 minutes, 4 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒁹𒁹 𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓎆𓎆𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ϡϟρκδʹ
- Chinese
- 九十九萬零一百二十四
- Chinese (financial)
- 玖拾玖萬零壹佰貳拾肆
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 990124, here are decompositions:
- 71 + 990053 = 990124
- 101 + 990023 = 990124
- 173 + 989951 = 990124
- 251 + 989873 = 990124
- 293 + 989831 = 990124
- 347 + 989777 = 990124
- 461 + 989663 = 990124
- 563 + 989561 = 990124
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.27.172.
- Address
- 0.15.27.172
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.27.172
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 990,124 and was likely granted around 1911.
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°.