990,121
990,121 is a composite number, odd.
990,121 (nine hundred ninety thousand one hundred twenty-one) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 11 × 90,011. Written other ways, in hexadecimal, 0xF1BA9.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 22
- Digit product
- 0
- Digital root
- 4
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 121,099
- Square (n²)
- 980,339,594,641
- Cube (n³)
- 970,654,819,785,541,561
- Divisor count
- 4
- σ(n) — sum of divisors
- 1,080,144
- φ(n) — Euler's totient
- 900,100
- Sum of prime factors
- 90,022
Primality
Prime factorization: 11 × 90011
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√990,121 = [995; (20, 1, 2, 1, 2, 3, 11, 1, 3, 4, 4, 4, 1, 1, 1, 1, 6, 8, 1, 2, 3, 1, 4, 397, …)]
Representations
- In words
- nine hundred ninety thousand one hundred twenty-one
- Ordinal
- 990121st
- Binary
- 11110001101110101001
- Octal
- 3615651
- Hexadecimal
- 0xF1BA9
- Base64
- Dxup
- One's complement
- 4,293,977,174 (32-bit)
- Scientific notation
- 9.90121 × 10⁵
- As a duration
- 990,121 s = 11 days, 11 hours, 2 minutes, 1 second
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒁹𒁹 𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓎆𓎆𓏺
- Greek (Milesian)
- ͵ϡϟρκαʹ
- Chinese
- 九十九萬零一百二十一
- Chinese (financial)
- 玖拾玖萬零壹佰貳拾壹
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.15.27.169.
- Address
- 0.15.27.169
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.27.169
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 990,121 and was likely granted around 1911.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.