133,221
133,221 is a composite number, odd.
133,221 (one hundred thirty-three thousand two hundred twenty-one) is an odd 6-digit number. It is a composite number with 12 divisors, and factors as 3 × 11² × 367. Written other ways, in hexadecimal, 0x20865.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 12
- Digit product
- 36
- Digital root
- 3
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 122,331
- Square (n²)
- 17,747,834,841
- Cube (n³)
- 2,364,384,305,352,861
- Divisor count
- 12
- σ(n) — sum of divisors
- 195,776
- φ(n) — Euler's totient
- 80,520
- Sum of prime factors
- 392
Primality
Prime factorization: 3 × 11 2 × 367
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√133,221 = [364; (1, 181, 2, 181, 1, 728)]
Period length 6 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-three thousand two hundred twenty-one
- Ordinal
- 133221st
- Binary
- 100000100001100101
- Octal
- 404145
- Hexadecimal
- 0x20865
- Base64
- Aghl
- One's complement
- 4,294,834,074 (32-bit)
- Scientific notation
- 1.33221 × 10⁵
- As a duration
- 133,221 s = 1 day, 13 hours, 21 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 · 𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓍢𓍢𓎆𓎆𓏺
- Greek (Milesian)
- ͵ρλγσκαʹ
- Mayan (base 20)
- 𝋰·𝋭·𝋡·𝋡
- Chinese
- 一十三萬三千二百二十一
- Chinese (financial)
- 壹拾參萬參仟貳佰貳拾壹
Also seen as
UTF-8 encoding: F0 A0 A1 A5 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.8.101.
- Address
- 0.2.8.101
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.8.101
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 133,221 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°.