100,109
100,109 is a prime, odd.
100,109 (one hundred thousand one hundred nine) is an odd 6-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x1870D.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 11
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 901,001
- Flips to (rotate 180°)
- 601,001
- Square (n²)
- 10,021,811,881
- Cube (n³)
- 1,003,273,565,595,029
- Divisor count
- 2
- σ(n) — sum of divisors
- 100,110
- φ(n) — Euler's totient
- 100,108
Primality
100,109 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√100,109 = [316; (2, 2, 632)]
Period length 3 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thousand one hundred nine
- Ordinal
- 100109th
- Binary
- 11000011100001101
- Octal
- 303415
- Hexadecimal
- 0x1870D
- Base64
- AYcN
- One's complement
- 4,294,867,186 (32-bit)
- Scientific notation
- 1.00109 × 10⁵
- As a duration
- 100,109 s = 1 day, 3 hours, 48 minutes, 29 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓍢𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρρθʹ
- Mayan (base 20)
- 𝋬·𝋪·𝋥·𝋩
- Chinese
- 一十萬零一百零九
- Chinese (financial)
- 壹拾萬零壹佰零玖
Also seen as
UTF-8 encoding: F0 98 9C 8D (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.135.13.
- Address
- 0.1.135.13
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.135.13
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 100,109 and was likely granted around 1870.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Prime numbers — The building blocks of arithmetic: what primes are, why they matter, and how we find them.
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.