112,121
112,121 is a prime, odd.
112,121 (one hundred twelve thousand one hundred twenty-one) is an odd 6-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x1B5F9.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 8
- Digit product
- 4
- Digital root
- 8
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 121,211
- Recamán's sequence
- a(247,058) = 112,121
- Square (n²)
- 12,571,118,641
- Cube (n³)
- 1,409,486,393,147,561
- Divisor count
- 2
- σ(n) — sum of divisors
- 112,122
- φ(n) — Euler's totient
- 112,120
Primality
112,121 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√112,121 = [334; (1, 5, 2, 3, 1, 2, 1, 1, 1, 1, 1, 10, 2, 1, 3, 1, 4, 2, 18, 1, 2, 7, 3, 1, …)]
Representations
- In words
- one hundred twelve thousand one hundred twenty-one
- Ordinal
- 112121st
- Binary
- 11011010111111001
- Octal
- 332771
- Hexadecimal
- 0x1B5F9
- Base64
- AbX5
- One's complement
- 4,294,855,174 (32-bit)
- Scientific notation
- 1.12121 × 10⁵
- As a duration
- 112,121 s = 1 day, 7 hours, 8 minutes, 41 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓆼𓆼𓍢𓎆𓎆𓏺
- Greek (Milesian)
- ͵ριβρκαʹ
- Mayan (base 20)
- 𝋮·𝋠·𝋦·𝋡
- Chinese
- 一十一萬二千一百二十一
- Chinese (financial)
- 壹拾壹萬貳仟壹佰貳拾壹
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.1.181.249.
- Address
- 0.1.181.249
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.181.249
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 112,121 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 112121 first appears in π at position 142,333 of the decimal expansion (the 142,333ordinal-suffix:rd 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.
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.