997,320
997,320 is a composite number, even.
997,320 (nine hundred ninety-seven thousand three hundred twenty) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2³ × 3 × 5 × 8,311. Its proper divisors sum to 1,995,000, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF37C8.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 30
- Digit product
- 0
- Digital root
- 3
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 23,799
- Square (n²)
- 994,647,182,400
- Cube (n³)
- 991,981,527,951,168,000
- Divisor count
- 32
- σ(n) — sum of divisors
- 2,992,320
- φ(n) — Euler's totient
- 265,920
- Sum of prime factors
- 8,325
Primality
Prime factorization: 2 3 × 3 × 5 × 8311
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√997,320 = [998; (1, 1, 1, 14, 51, 6, 1, 8, 4, 1, 1, 11, 3, 1, 3, 1, 1, 1, 2, 1, 3, 1, 1, 15, …)]
Representations
- In words
- nine hundred ninety-seven thousand three hundred twenty
- Ordinal
- 997320th
- Binary
- 11110011011111001000
- Octal
- 3633710
- Hexadecimal
- 0xF37C8
- Base64
- DzfI
- One's complement
- 4,293,969,975 (32-bit)
- Scientific notation
- 9.9732 × 10⁵
- As a duration
- 997,320 s = 11 days, 13 hours, 2 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹 ·
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓎆𓎆
- Greek (Milesian)
- ͵ϡϟζτκʹ
- Chinese
- 九十九萬七千三百二十
- Chinese (financial)
- 玖拾玖萬柒仟參佰貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 997320, here are decompositions:
- 11 + 997309 = 997320
- 13 + 997307 = 997320
- 41 + 997279 = 997320
- 47 + 997273 = 997320
- 53 + 997267 = 997320
- 61 + 997259 = 997320
- 73 + 997247 = 997320
- 101 + 997219 = 997320
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.55.200.
- Address
- 0.15.55.200
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.55.200
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 997,320 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 997320 first appears in π at position 339,924 of the decimal expansion (the 339,924ordinal-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°.