998,161
998,161 is a prime, odd.
998,161 (nine hundred ninety-eight thousand one hundred sixty-one) is an odd 6-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0xF3B11.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 34
- Digit product
- 3,888
- Digital root
- 7
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 161,899
- Flips to (rotate 180°)
- 191,866
- Square (n²)
- 996,325,381,921
- Cube (n³)
- 994,493,139,543,647,281
- Divisor count
- 2
- σ(n) — sum of divisors
- 998,162
- φ(n) — Euler's totient
- 998,160
Primality
998,161 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√998,161 = [999; (12, 2, 20, 2, 1, 132, 1, 1, 5, 1, 27, 3, 2, 1, 2, 1, 1, 8, 3, 3, 3, 1, 1, 2, …)]
Representations
- In words
- nine hundred ninety-eight thousand one hundred sixty-one
- Ordinal
- 998161st
- Binary
- 11110011101100010001
- Octal
- 3635421
- Hexadecimal
- 0xF3B11
- Base64
- DzsR
- One's complement
- 4,293,969,134 (32-bit)
- Scientific notation
- 9.98161 × 10⁵
- As a duration
- 998,161 s = 11 days, 13 hours, 16 minutes, 1 second
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺
- Greek (Milesian)
- ͵ϡϟηρξαʹ
- Chinese
- 九十九萬八千一百六十一
- Chinese (financial)
- 玖拾玖萬捌仟壹佰陸拾壹
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.15.59.17.
- Address
- 0.15.59.17
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.59.17
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 998,161 and was likely granted around 1911.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
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.