133,815
133,815 is a composite number, odd.
133,815 (one hundred thirty-three thousand eight hundred fifteen) is an odd 6-digit number. It is a composite number with 16 divisors, and factors as 3 × 5 × 11 × 811. Written other ways, in hexadecimal, 0x20AB7.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 21
- Digit product
- 360
- Digital root
- 3
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 518,331
- Square (n²)
- 17,906,454,225
- Cube (n³)
- 2,396,152,172,118,375
- Divisor count
- 16
- σ(n) — sum of divisors
- 233,856
- φ(n) — Euler's totient
- 64,800
- Sum of prime factors
- 830
Primality
Prime factorization: 3 × 5 × 11 × 811
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√133,815 = [365; (1, 4, 5, 3, 1, 5, 1, 1, 1, 9, 1, 20, 1, 1, 1, 1, 2, 1, 2, 1, 4, 1, 5, 1, …)]
Period length 46 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-three thousand eight hundred fifteen
- Ordinal
- 133815th
- Binary
- 100000101010110111
- Octal
- 405267
- Hexadecimal
- 0x20AB7
- Base64
- Agq3
- One's complement
- 4,294,833,480 (32-bit)
- Scientific notation
- 1.33815 × 10⁵
- As a duration
- 133,815 s = 1 day, 13 hours, 10 minutes, 15 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋 𒌋𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλγωιεʹ
- Mayan (base 20)
- 𝋰·𝋮·𝋪·𝋯
- Chinese
- 一十三萬三千八百一十五
- Chinese (financial)
- 壹拾參萬參仟捌佰壹拾伍
Also seen as
UTF-8 encoding: F0 A0 AA B7 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.10.183.
- Address
- 0.2.10.183
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.10.183
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 133,815 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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.