111,109
111,109 is a prime, odd.
111,109 (one hundred eleven 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, 0x1B205.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 13
- Digit product
- 0
- Digital root
- 4
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 901,111
- Flips to (rotate 180°)
- 601,111
- Recamán's sequence
- a(248,190) = 111,109
- Square (n²)
- 12,345,209,881
- Cube (n³)
- 1,371,663,924,668,029
- Divisor count
- 2
- σ(n) — sum of divisors
- 111,110
- φ(n) — Euler's totient
- 111,108
Primality
111,109 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√111,109 = [333; (3, 34, 1, 3, 14, 1, 1, 3, 2, 9, 1, 1, 19, 1, 2, 10, 1, 3, 2, 1, 1, 3, 8, 1, …)]
Representations
- In words
- one hundred eleven thousand one hundred nine
- Ordinal
- 111109th
- Binary
- 11011001000000101
- Octal
- 331005
- Hexadecimal
- 0x1B205
- Base64
- AbIF
- One's complement
- 4,294,856,186 (32-bit)
- Scientific notation
- 1.11109 × 10⁵
- As a duration
- 111,109 s = 1 day, 6 hours, 51 minutes, 49 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋 𒌋𒌋𒌋𒌋𒌋𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓆼𓍢𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ριαρθʹ
- Mayan (base 20)
- 𝋭·𝋱·𝋯·𝋩
- Chinese
- 一十一萬一千一百零九
- Chinese (financial)
- 壹拾壹萬壹仟壹佰零玖
Also seen as
UTF-8 encoding: F0 9B 88 85 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.178.5.
- Address
- 0.1.178.5
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.178.5
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 111,109 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 111109 first appears in π at position 92,410 of the decimal expansion (the 92,410ordinal-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.
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.