133,660
133,660 is a composite number, even.
133,660 (one hundred thirty-three thousand six hundred sixty) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2² × 5 × 41 × 163. Its proper divisors sum to 155,636, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x20A1C.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 19
- Digit product
- 0
- Digital root
- 1
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 66,331
- Square (n²)
- 17,864,995,600
- Cube (n³)
- 2,387,835,311,896,000
- Divisor count
- 24
- σ(n) — sum of divisors
- 289,296
- φ(n) — Euler's totient
- 51,840
- Sum of prime factors
- 213
Primality
Prime factorization: 2 2 × 5 × 41 × 163
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√133,660 = [365; (1, 1, 2, 8, 3, 3, 1, 1, 4, 1, 2, 3, 1, 1, 2, 17, 1, 8, 12, 3, 1, 1, 4, 34, …)]
Period length 56 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-three thousand six hundred sixty
- Ordinal
- 133660th
- Binary
- 100000101000011100
- Octal
- 405034
- Hexadecimal
- 0x20A1C
- Base64
- Agoc
- One's complement
- 4,294,833,635 (32-bit)
- Scientific notation
- 1.3366 × 10⁵
- As a duration
- 133,660 s = 1 day, 13 hours, 7 minutes, 40 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρλγχξʹ
- Mayan (base 20)
- 𝋰·𝋮·𝋣·𝋠
- Chinese
- 一十三萬三千六百六十
- Chinese (financial)
- 壹拾參萬參仟陸佰陸拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 133660, here are decompositions:
- 3 + 133657 = 133660
- 11 + 133649 = 133660
- 29 + 133631 = 133660
- 89 + 133571 = 133660
- 101 + 133559 = 133660
- 167 + 133493 = 133660
- 179 + 133481 = 133660
- 257 + 133403 = 133660
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A0 A8 9C (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.10.28.
- Address
- 0.2.10.28
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.10.28
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 133,660 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.