997,148
997,148 is a composite number, even.
997,148 (nine hundred ninety-seven thousand one hundred forty-eight) is an even 6-digit number. It is a composite number with 6 divisors, and factors as 2² × 249,287. Written other ways, in hexadecimal, 0xF371C.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 38
- Digit product
- 18,144
- Digital root
- 2
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 841,799
- Square (n²)
- 994,304,133,904
- Cube (n³)
- 991,468,378,514,105,792
- Divisor count
- 6
- σ(n) — sum of divisors
- 1,745,016
- φ(n) — Euler's totient
- 498,572
- Sum of prime factors
- 249,291
Primality
Prime factorization: 2 2 × 249287
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√997,148 = [998; (1, 1, 2, 1, 12, 2, 2, 1, 4, 1, 2, 1, 2, 4, 4, 1, 7, 4, 10, 1, 1, 1, 1, 2, …)]
Representations
- In words
- nine hundred ninety-seven thousand one hundred forty-eight
- Ordinal
- 997148th
- Binary
- 11110011011100011100
- Octal
- 3633434
- Hexadecimal
- 0xF371C
- Base64
- Dzcc
- One's complement
- 4,293,970,147 (32-bit)
- Scientific notation
- 9.97148 × 10⁵
- As a duration
- 997,148 s = 11 days, 12 hours, 59 minutes, 8 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ϡϟζρμηʹ
- Chinese
- 九十九萬七千一百四十八
- Chinese (financial)
- 玖拾玖萬柒仟壹佰肆拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 997148, here are decompositions:
- 7 + 997141 = 997148
- 37 + 997111 = 997148
- 67 + 997081 = 997148
- 79 + 997069 = 997148
- 127 + 997021 = 997148
- 181 + 996967 = 997148
- 277 + 996871 = 997148
- 307 + 996841 = 997148
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.55.28.
- Address
- 0.15.55.28
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.55.28
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 997,148 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 997148 first appears in π at position 51,956 of the decimal expansion (the 51,956ordinal-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°.