997,028
997,028 is a composite number, even.
997,028 (nine hundred ninety-seven thousand twenty-eight) is an even 6-digit number. It is a composite number with 6 divisors, and factors as 2² × 249,257. Written other ways, in hexadecimal, 0xF36A4.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 35
- Digit product
- 0
- Digital root
- 8
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 820,799
- Square (n²)
- 994,064,832,784
- Cube (n³)
- 991,110,472,100,965,952
- Divisor count
- 6
- σ(n) — sum of divisors
- 1,744,806
- φ(n) — Euler's totient
- 498,512
- Sum of prime factors
- 249,261
Primality
Prime factorization: 2 2 × 249257
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√997,028 = [998; (1, 1, 18, 1, 7, 1, 28, 1, 11, 4, 1, 3, 33, 1, 1, 2, 2, 3, 1, 5, 3, 2, 1, 2, …)]
Representations
- In words
- nine hundred ninety-seven thousand twenty-eight
- Ordinal
- 997028th
- Binary
- 11110011011010100100
- Octal
- 3633244
- Hexadecimal
- 0xF36A4
- Base64
- Dzak
- One's complement
- 4,293,970,267 (32-bit)
- Scientific notation
- 9.97028 × 10⁵
- As a duration
- 997,028 s = 11 days, 12 hours, 57 minutes, 8 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ϡϟζκηʹ
- Chinese
- 九十九萬七千零二十八
- Chinese (financial)
- 玖拾玖萬柒仟零貳拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 997028, here are decompositions:
- 7 + 997021 = 997028
- 61 + 996967 = 997028
- 157 + 996871 = 997028
- 181 + 996847 = 997028
- 379 + 996649 = 997028
- 397 + 996631 = 997028
- 457 + 996571 = 997028
- 499 + 996529 = 997028
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.54.164.
- Address
- 0.15.54.164
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.54.164
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 997,028 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 997028 first appears in π at position 168,705 of the decimal expansion (the 168,705ordinal-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°.