108,109
108,109 is a prime, odd.
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 19
- Digit product
- 0
- Digital root
- 1
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 901,801
- Flips to (rotate 180°)
- 601,801
- Recamán's sequence
- a(251,214) = 108,109
- Square (n²)
- 11,687,555,881
- Cube (n³)
- 1,263,529,978,739,029
- Divisor count
- 2
- σ(n) — sum of divisors
- 108,110
- φ(n) — Euler's totient
- 108,108
Primality
108,109 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- one hundred eight thousand one hundred nine
- Ordinal
- 108109th
- Binary
- 11010011001001101
- Octal
- 323115
- Hexadecimal
- 0x1A64D
- Base64
- AaZN
- One's complement
- 4,294,859,186 (32-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋 𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρηρθʹ
- Mayan (base 20)
- 𝋭·𝋪·𝋥·𝋩
- Chinese
- 一十萬八千一百零九
- Chinese (financial)
- 壹拾萬捌仟壹佰零玖
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.1.166.77.
- Address
- 0.1.166.77
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.166.77
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 108,109 and was likely granted around 1870.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 108109 first appears in π at position 314,920 of the decimal expansion (the 314,920ordinal-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.