126,989
126,989 is a prime, odd.
126,989 (one hundred twenty-six thousand nine hundred eighty-nine) is an odd 6-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x1F00D.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 35
- Digit product
- 7,776
- Digital root
- 8
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 989,621
- Recamán's sequence
- a(499,389) = 126,989
- Square (n²)
- 16,126,206,121
- Cube (n³)
- 2,047,850,789,099,669
- Divisor count
- 2
- σ(n) — sum of divisors
- 126,990
- φ(n) — Euler's totient
- 126,988
Primality
126,989 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√126,989 = [356; (2, 1, 4, 2, 2, 1, 3, 1, 2, 1, 1, 8, 1, 2, 8, 25, 2, 1, 141, 1, 6, 1, 3, 15, …)]
Representations
- In words
- one hundred twenty-six thousand nine hundred eighty-nine
- Ordinal
- 126989th
- Binary
- 11111000000001101
- Octal
- 370015
- Hexadecimal
- 0x1F00D
- Base64
- AfAN
- One's complement
- 4,294,840,306 (32-bit)
- Scientific notation
- 1.26989 × 10⁵
- As a duration
- 126,989 s = 1 day, 11 hours, 16 minutes, 29 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρκϛϡπθʹ
- Mayan (base 20)
- 𝋯·𝋱·𝋩·𝋩
- Chinese
- 一十二萬六千九百八十九
- Chinese (financial)
- 壹拾貳萬陸仟玖佰捌拾玖
Also seen as
UTF-8 encoding: F0 9F 80 8D (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.240.13.
- Address
- 0.1.240.13
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.240.13
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 126,989 and was likely granted around 1872.
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.