133,388
133,388 is a composite number, even.
133,388 (one hundred thirty-three thousand three hundred eighty-eight) is an even 6-digit number. It is a composite number with 6 divisors, and factors as 2² × 33,347. Written other ways, in hexadecimal, 0x2090C.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 26
- Digit product
- 1,728
- Digital root
- 8
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 883,331
- Recamán's sequence
- a(35,436) = 133,388
- Square (n²)
- 17,792,358,544
- Cube (n³)
- 2,373,287,121,467,072
- Divisor count
- 6
- σ(n) — sum of divisors
- 233,436
- φ(n) — Euler's totient
- 66,692
- Sum of prime factors
- 33,351
Primality
Prime factorization: 2 2 × 33347
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√133,388 = [365; (4, 2, 11, 1, 14, 1, 1, 1, 1, 1, 4, 4, 1, 2, 5, 2, 1, 1, 8, 4, 1, 4, 1, 1, …)]
Representations
- In words
- one hundred thirty-three thousand three hundred eighty-eight
- Ordinal
- 133388th
- Binary
- 100000100100001100
- Octal
- 404414
- Hexadecimal
- 0x2090C
- Base64
- AgkM
- One's complement
- 4,294,833,907 (32-bit)
- Scientific notation
- 1.33388 × 10⁵
- As a duration
- 133,388 s = 1 day, 13 hours, 3 minutes, 8 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλγτπηʹ
- Mayan (base 20)
- 𝋰·𝋭·𝋩·𝋨
- Chinese
- 一十三萬三千三百八十八
- Chinese (financial)
- 壹拾參萬參仟參佰捌拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 133388, here are decompositions:
- 37 + 133351 = 133388
- 61 + 133327 = 133388
- 67 + 133321 = 133388
- 109 + 133279 = 133388
- 127 + 133261 = 133388
- 271 + 133117 = 133388
- 337 + 133051 = 133388
- 349 + 133039 = 133388
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A0 A4 8C (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.9.12.
- Address
- 0.2.9.12
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.9.12
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 133,388 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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.