133,215
133,215 is a composite number, odd.
133,215 (one hundred thirty-three thousand two hundred fifteen) is an odd 6-digit number. It is a composite number with 16 divisors, and factors as 3 × 5 × 83 × 107. Written other ways, in hexadecimal, 0x2085F.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 15
- Digit product
- 90
- Digital root
- 6
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 512,331
- Square (n²)
- 17,746,236,225
- Cube (n³)
- 2,364,064,858,713,375
- Divisor count
- 16
- σ(n) — sum of divisors
- 217,728
- φ(n) — Euler's totient
- 69,536
- Sum of prime factors
- 198
Primality
Prime factorization: 3 × 5 × 83 × 107
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√133,215 = [364; (1, 71, 1, 728)]
Period length 4 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-three thousand two hundred fifteen
- Ordinal
- 133215th
- Binary
- 100000100001011111
- Octal
- 404137
- Hexadecimal
- 0x2085F
- Base64
- Aghf
- One's complement
- 4,294,834,080 (32-bit)
- Scientific notation
- 1.33215 × 10⁵
- As a duration
- 133,215 s = 1 day, 13 hours, 15 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 · 𒌋𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓍢𓍢𓎆𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλγσιεʹ
- Mayan (base 20)
- 𝋰·𝋭·𝋠·𝋯
- Chinese
- 一十三萬三千二百一十五
- Chinese (financial)
- 壹拾參萬參仟貳佰壹拾伍
Also seen as
UTF-8 encoding: F0 A0 A1 9F (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.8.95.
- Address
- 0.2.8.95
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.8.95
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 133,215 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°.