990,997
990,997 is a composite number, odd.
990,997 (nine hundred ninety thousand nine hundred ninety-seven) is an odd 6-digit number. It is a composite number with 8 divisors, and factors as 7 × 67 × 2,113. Written other ways, in hexadecimal, 0xF1F15.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 43
- Digit product
- 0
- Digital root
- 7
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 799,099
- Square (n²)
- 982,075,054,009
- Cube (n³)
- 973,233,432,297,756,973
- Divisor count
- 8
- σ(n) — sum of divisors
- 1,150,016
- φ(n) — Euler's totient
- 836,352
- Sum of prime factors
- 2,187
Primality
Prime factorization: 7 × 67 × 2113
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√990,997 = [995; (2, 20, 1, 9, 1, 12, 1, 1, 5, 4, 1, 14, 1, 6, 1, 2, 4, 7, 2, 1, 15, 2, 1, 2, …)]
Representations
- In words
- nine hundred ninety thousand nine hundred ninety-seven
- Ordinal
- 990997th
- Binary
- 11110001111100010101
- Octal
- 3617425
- Hexadecimal
- 0xF1F15
- Base64
- Dx8V
- One's complement
- 4,293,976,298 (32-bit)
- Scientific notation
- 9.90997 × 10⁵
- As a duration
- 990,997 s = 11 days, 11 hours, 16 minutes, 37 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ϡϟϡϟζʹ
- Chinese
- 九十九萬零九百九十七
- Chinese (financial)
- 玖拾玖萬零玖佰玖拾柒
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.15.31.21.
- Address
- 0.15.31.21
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.31.21
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 990,997 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 990997 first appears in π at position 708,037 of the decimal expansion (the 708,037ordinal-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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.