997,121
997,121 is a prime, odd.
997,121 (nine hundred ninety-seven thousand one hundred twenty-one) is an odd 6-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0xF3701.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 29
- Digit product
- 1,134
- Digital root
- 2
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 121,799
- Square (n²)
- 994,250,288,641
- Cube (n³)
- 991,387,842,060,002,561
- Divisor count
- 2
- σ(n) — sum of divisors
- 997,122
- φ(n) — Euler's totient
- 997,120
Primality
997,121 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√997,121 = [998; (1, 1, 3, 1, 2, 2, 1, 1, 1, 1, 1, 1, 5, 1, 1, 1, 1, 1, 10, 1, 2, 1, 1, 1, …)]
Representations
- In words
- nine hundred ninety-seven thousand one hundred twenty-one
- Ordinal
- 997121st
- Binary
- 11110011011100000001
- Octal
- 3633401
- Hexadecimal
- 0xF3701
- Base64
- DzcB
- One's complement
- 4,293,970,174 (32-bit)
- Scientific notation
- 9.97121 × 10⁵
- As a duration
- 997,121 s = 11 days, 12 hours, 58 minutes, 41 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓏺
- Greek (Milesian)
- ͵ϡϟζρκαʹ
- Chinese
- 九十九萬七千一百二十一
- Chinese (financial)
- 玖拾玖萬柒仟壹佰貳拾壹
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.15.55.1.
- Address
- 0.15.55.1
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.55.1
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 997,121 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 997121 first appears in π at position 421,659 of the decimal expansion (the 421,659ordinal-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
- Prime numbers — The building blocks of arithmetic: what primes are, why they matter, and how we find them.
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.