990,148
990,148 is a composite number, even.
990,148 (nine hundred ninety thousand one hundred forty-eight) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2² × 17 × 14,561. Written other ways, in hexadecimal, 0xF1BC4.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 31
- Digit product
- 0
- Digital root
- 4
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 841,099
- Square (n²)
- 980,393,061,904
- Cube (n³)
- 970,734,229,458,121,792
- Divisor count
- 12
- σ(n) — sum of divisors
- 1,834,812
- φ(n) — Euler's totient
- 465,920
- Sum of prime factors
- 14,582
Primality
Prime factorization: 2 2 × 17 × 14561
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√990,148 = [995; (16, 5, 1, 1, 2, 1, 4, 1, 1, 1, 2, 1, 1, 8, 2, 2, 1, 6, 5, 21, 4, 1, 7, 3, …)]
Representations
- In words
- nine hundred ninety thousand one hundred forty-eight
- Ordinal
- 990148th
- Binary
- 11110001101111000100
- Octal
- 3615704
- Hexadecimal
- 0xF1BC4
- Base64
- DxvE
- One's complement
- 4,293,977,147 (32-bit)
- Scientific notation
- 9.90148 × 10⁵
- As a duration
- 990,148 s = 11 days, 11 hours, 2 minutes, 28 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ϡϟρμηʹ
- Chinese
- 九十九萬零一百四十八
- Chinese (financial)
- 玖拾玖萬零壹佰肆拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 990148, here are decompositions:
- 11 + 990137 = 990148
- 149 + 989999 = 990148
- 167 + 989981 = 990148
- 197 + 989951 = 990148
- 227 + 989921 = 990148
- 239 + 989909 = 990148
- 311 + 989837 = 990148
- 317 + 989831 = 990148
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.27.196.
- Address
- 0.15.27.196
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.27.196
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 990,148 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 990148 first appears in π at position 506,621 of the decimal expansion (the 506,621ordinal-suffix:st 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°.