133,668
133,668 is a composite number, even.
133,668 (one hundred thirty-three thousand six hundred sixty-eight) is an even 6-digit number. It is a composite number with 36 divisors, and factors as 2² × 3² × 47 × 79. Its proper divisors sum to 215,772, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x20A24.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 27
- Digit product
- 2,592
- Digital root
- 9
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 866,331
- Square (n²)
- 17,867,134,224
- Cube (n³)
- 2,388,264,097,453,632
- Divisor count
- 36
- σ(n) — sum of divisors
- 349,440
- φ(n) — Euler's totient
- 43,056
- Sum of prime factors
- 136
Primality
Prime factorization: 2 2 × 3 2 × 47 × 79
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√133,668 = [365; (1, 1, 1, 1, 5, 1, 2, 2, 1, 2, 6, 2, 6, 2, 1, 2, 2, 1, 5, 1, 1, 1, 1, 730)]
Period length 24 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-three thousand six hundred sixty-eight
- Ordinal
- 133668th
- Binary
- 100000101000100100
- Octal
- 405044
- Hexadecimal
- 0x20A24
- Base64
- Agok
- One's complement
- 4,294,833,627 (32-bit)
- Scientific notation
- 1.33668 × 10⁵
- As a duration
- 133,668 s = 1 day, 13 hours, 7 minutes, 48 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλγχξηʹ
- Mayan (base 20)
- 𝋰·𝋮·𝋣·𝋨
- Chinese
- 一十三萬三千六百六十八
- Chinese (financial)
- 壹拾參萬參仟陸佰陸拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 133668, here are decompositions:
- 11 + 133657 = 133668
- 19 + 133649 = 133668
- 37 + 133631 = 133668
- 71 + 133597 = 133668
- 97 + 133571 = 133668
- 109 + 133559 = 133668
- 127 + 133541 = 133668
- 149 + 133519 = 133668
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A0 A8 A4 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.10.36.
- Address
- 0.2.10.36
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.10.36
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 133,668 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 133668 first appears in π at position 515,034 of the decimal expansion (the 515,034ordinal-suffix:th digit after the integer 3).
Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.
Related reading
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.