133,386
133,386 is a composite number, even.
133,386 (one hundred thirty-three thousand three hundred eighty-six) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2 × 3 × 11 × 43 × 47. Its proper divisors sum to 170,742, more than the number itself, making it an abundant number. It is the 516th triangular number. Written other ways, in hexadecimal, 0x2090A.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 24
- Digit product
- 1,296
- Digital root
- 6
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 683,331
- Recamán's sequence
- a(35,432) = 133,386
- Square (n²)
- 17,791,824,996
- Cube (n³)
- 2,373,180,368,916,456
- Divisor count
- 32
- σ(n) — sum of divisors
- 304,128
- φ(n) — Euler's totient
- 38,640
- Sum of prime factors
- 106
Primality
Prime factorization: 2 × 3 × 11 × 43 × 47
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√133,386 = [365; (4, 1, 1, 6, 1, 1, 6, 2, 2, 1, 2, 28, 1, 5, 1, 1, 1, 1, 2, 7, 6, 1, 4, 1, …)]
Representations
- In words
- one hundred thirty-three thousand three hundred eighty-six
- Ordinal
- 133386th
- Binary
- 100000100100001010
- Octal
- 404412
- Hexadecimal
- 0x2090A
- Base64
- AgkK
- One's complement
- 4,294,833,909 (32-bit)
- Scientific notation
- 1.33386 × 10⁵
- As a duration
- 133,386 s = 1 day, 13 hours, 3 minutes, 6 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλγτπϛʹ
- Mayan (base 20)
- 𝋰·𝋭·𝋩·𝋦
- Chinese
- 一十三萬三千三百八十六
- Chinese (financial)
- 壹拾參萬參仟參佰捌拾陸
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 133386, here are decompositions:
- 7 + 133379 = 133386
- 37 + 133349 = 133386
- 59 + 133327 = 133386
- 67 + 133319 = 133386
- 83 + 133303 = 133386
- 103 + 133283 = 133386
- 107 + 133279 = 133386
- 109 + 133277 = 133386
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A0 A4 8A (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.9.10.
- Address
- 0.2.9.10
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.9.10
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 133,386 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 133386 first appears in π at position 384,745 of the decimal expansion (the 384,745ordinal-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
- Triangular numbers — 1, 3, 6, 10, 15 … the counting numbers stacked into triangles, and Gauss's famous shortcut for summing them.
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.