997,120
997,120 is a composite number, even.
997,120 (nine hundred ninety-seven thousand one hundred twenty) is an even 6-digit number. It is a composite number with 72 divisors, and factors as 2⁸ × 5 × 19 × 41. Its proper divisors sum to 1,578,320, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF3700.
Interestingness
Properties
Primality
Prime factorization: 2 8 × 5 × 19 × 41
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√997,120 = [998; (1, 1, 3, 1, 2, 1, 5, 1, 1, 9, 2, 1, 1, 8, 1, 23, 1, 3, 6, 124, 1, 1, 1, 15, …)]
Representations
- In words
- nine hundred ninety-seven thousand one hundred twenty
- Ordinal
- 997120th
- Binary
- 11110011011100000000
- Octal
- 3633400
- Hexadecimal
- 0xF3700
- Base64
- DzcA
- One's complement
- 4,293,970,175 (32-bit)
- Scientific notation
- 9.9712 × 10⁵
- As a duration
- 997,120 s = 11 days, 12 hours, 58 minutes, 40 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆
- Greek (Milesian)
- ͵ϡϟζρκʹ
- Chinese
- 九十九萬七千一百二十
- Chinese (financial)
- 玖拾玖萬柒仟壹佰貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 997120, here are decompositions:
- 11 + 997109 = 997120
- 17 + 997103 = 997120
- 23 + 997097 = 997120
- 29 + 997091 = 997120
- 83 + 997037 = 997120
- 101 + 997019 = 997120
- 107 + 997013 = 997120
- 167 + 996953 = 997120
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.55.0.
- Address
- 0.15.55.0
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.55.0
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 997,120 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 997120 first appears in π at position 3,710 of the decimal expansion (the 3,710ordinal-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°.