133,481
133,481 is a prime, odd.
133,481 (one hundred thirty-three thousand four hundred eighty-one) is an odd 6-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x20969.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 288
- Digital root
- 2
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 184,331
- Recamán's sequence
- a(35,622) = 133,481
- Square (n²)
- 17,817,177,361
- Cube (n³)
- 2,378,254,651,323,641
- Divisor count
- 2
- σ(n) — sum of divisors
- 133,482
- φ(n) — Euler's totient
- 133,480
Primality
133,481 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√133,481 = [365; (2, 1, 5, 1, 3, 1, 90, 1, 1, 5, 4, 1, 6, 45, 1, 1, 10, 1, 10, 3, 22, 1, 1, 22, …)]
Period length 45 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-three thousand four hundred eighty-one
- Ordinal
- 133481st
- Binary
- 100000100101101001
- Octal
- 404551
- Hexadecimal
- 0x20969
- Base64
- Aglp
- One's complement
- 4,294,833,814 (32-bit)
- Scientific notation
- 1.33481 × 10⁵
- As a duration
- 133,481 s = 1 day, 13 hours, 4 minutes, 41 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
- Greek (Milesian)
- ͵ρλγυπαʹ
- Mayan (base 20)
- 𝋰·𝋭·𝋮·𝋡
- Chinese
- 一十三萬三千四百八十一
- Chinese (financial)
- 壹拾參萬參仟肆佰捌拾壹
Also seen as
UTF-8 encoding: F0 A0 A5 A9 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.9.105.
- Address
- 0.2.9.105
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.9.105
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 133,481 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.