997,312
997,312 is a composite number, even.
997,312 (nine hundred ninety-seven thousand three hundred twelve) is an even 6-digit number. It is a composite number with 14 divisors, and factors as 2⁶ × 15,583. Written other ways, in hexadecimal, 0xF37C0.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 31
- Digit product
- 3,402
- Digital root
- 4
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 213,799
- Square (n²)
- 994,631,225,344
- Cube (n³)
- 991,957,656,610,275,328
- Divisor count
- 14
- σ(n) — sum of divisors
- 1,979,168
- φ(n) — Euler's totient
- 498,624
- Sum of prime factors
- 15,595
Primality
Prime factorization: 2 6 × 15583
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√997,312 = [998; (1, 1, 1, 8, 1, 14, 1, 1, 2, 2, 1, 1, 3, 1, 6, 1, 4, 3, 31, 2, 1, 1, 4, 40, …)]
Representations
- In words
- nine hundred ninety-seven thousand three hundred twelve
- Ordinal
- 997312th
- Binary
- 11110011011111000000
- Octal
- 3633700
- Hexadecimal
- 0xF37C0
- Base64
- DzfA
- One's complement
- 4,293,969,983 (32-bit)
- Scientific notation
- 9.97312 × 10⁵
- As a duration
- 997,312 s = 11 days, 13 hours, 1 minute, 52 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓎆𓏺𓏺
- Greek (Milesian)
- ͵ϡϟζτιβʹ
- Chinese
- 九十九萬七千三百一十二
- Chinese (financial)
- 玖拾玖萬柒仟參佰壹拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 997312, here are decompositions:
- 3 + 997309 = 997312
- 5 + 997307 = 997312
- 53 + 997259 = 997312
- 149 + 997163 = 997312
- 191 + 997121 = 997312
- 269 + 997043 = 997312
- 293 + 997019 = 997312
- 311 + 997001 = 997312
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.55.192.
- Address
- 0.15.55.192
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.55.192
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 997,312 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 997312 first appears in π at position 195,201 of the decimal expansion (the 195,201ordinal-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°.