117,990
117,990 is a composite number, even.
117,990 (one hundred seventeen thousand nine hundred ninety) is an even 6-digit number. It is a composite number with 64 divisors, and factors as 2 × 3³ × 5 × 19 × 23. Its proper divisors sum to 227,610, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1CCE6.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 27
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 99,711
- Square (n²)
- 13,921,640,100
- Cube (n³)
- 1,642,614,315,399,000
- Divisor count
- 64
- σ(n) — sum of divisors
- 345,600
- φ(n) — Euler's totient
- 28,512
- Sum of prime factors
- 58
Primality
Prime factorization: 2 × 3 3 × 5 × 19 × 23
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√117,990 = [343; (2, 75, 1, 4, 1, 75, 2, 686)]
Period length 8 — the block in parentheses repeats forever.
Representations
- In words
- one hundred seventeen thousand nine hundred ninety
- Ordinal
- 117990th
- Binary
- 11100110011100110
- Octal
- 346346
- Hexadecimal
- 0x1CCE6
- Base64
- Aczm
- One's complement
- 4,294,849,305 (32-bit)
- Scientific notation
- 1.1799 × 10⁵
- As a duration
- 117,990 s = 1 day, 8 hours, 46 minutes, 30 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ριζϡϟʹ
- Mayan (base 20)
- 𝋮·𝋮·𝋳·𝋪
- Chinese
- 一十一萬七千九百九十
- Chinese (financial)
- 壹拾壹萬柒仟玖佰玖拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 117990, here are decompositions:
- 11 + 117979 = 117990
- 13 + 117977 = 117990
- 17 + 117973 = 117990
- 31 + 117959 = 117990
- 53 + 117937 = 117990
- 73 + 117917 = 117990
- 79 + 117911 = 117990
- 101 + 117889 = 117990
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 9C B3 A6 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.204.230.
- Address
- 0.1.204.230
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.204.230
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 117,990 and was likely granted around 1871.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 117990 first appears in π at position 784,631 of the decimal expansion (the 784,631ordinal-suffix:st 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°.