133,381
133,381 is a composite number, odd.
133,381 (one hundred thirty-three thousand three hundred eighty-one) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 83 × 1,607. Written other ways, in hexadecimal, 0x20905.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 19
- Digit product
- 216
- Digital root
- 1
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 183,331
- Recamán's sequence
- a(35,422) = 133,381
- Square (n²)
- 17,790,491,161
- Cube (n³)
- 2,372,913,501,545,341
- Divisor count
- 4
- σ(n) — sum of divisors
- 135,072
- φ(n) — Euler's totient
- 131,692
- Sum of prime factors
- 1,690
Primality
Prime factorization: 83 × 1607
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√133,381 = [365; (4, 1, 2, 7, 2, 80, 1, 2, 4, 2, 1, 7, 6, 8, 1, 5, 1, 6, 1, 5, 56, 60, 1, 5, …)]
Representations
- In words
- one hundred thirty-three thousand three hundred eighty-one
- Ordinal
- 133381st
- Binary
- 100000100100000101
- Octal
- 404405
- Hexadecimal
- 0x20905
- Base64
- AgkF
- One's complement
- 4,294,833,914 (32-bit)
- Scientific notation
- 1.33381 × 10⁵
- As a duration
- 133,381 s = 1 day, 13 hours, 3 minutes, 1 second
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹 𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
- Greek (Milesian)
- ͵ρλγτπαʹ
- Mayan (base 20)
- 𝋰·𝋭·𝋩·𝋡
- Chinese
- 一十三萬三千三百八十一
- Chinese (financial)
- 壹拾參萬參仟參佰捌拾壹
Also seen as
UTF-8 encoding: F0 A0 A4 85 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.9.5.
- Address
- 0.2.9.5
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.9.5
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 133,381 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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.