133,442
133,442 is a composite number, even.
133,442 (one hundred thirty-three thousand four hundred forty-two) is an even 6-digit number. It is a composite number with 4 divisors, and factors as 2 × 66,721. Written other ways, in hexadecimal, 0x20942.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 17
- Digit product
- 288
- Digital root
- 8
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 244,331
- Recamán's sequence
- a(35,544) = 133,442
- Square (n²)
- 17,806,767,364
- Cube (n³)
- 2,376,170,650,586,888
- Divisor count
- 4
- σ(n) — sum of divisors
- 200,166
- φ(n) — Euler's totient
- 66,720
- Sum of prime factors
- 66,723
Primality
Prime factorization: 2 × 66721
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√133,442 = [365; (3, 2, 1, 2, 1, 3, 1, 8, 2, 5, 1, 1, 1, 364, 1, 1, 1, 5, 2, 8, 1, 3, 1, 2, …)]
Period length 28 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-three thousand four hundred forty-two
- Ordinal
- 133442nd
- Binary
- 100000100101000010
- Octal
- 404502
- Hexadecimal
- 0x20942
- Base64
- AglC
- One's complement
- 4,294,833,853 (32-bit)
- Scientific notation
- 1.33442 × 10⁵
- As a duration
- 133,442 s = 1 day, 13 hours, 4 minutes, 2 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹 𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρλγυμβʹ
- Mayan (base 20)
- 𝋰·𝋭·𝋬·𝋢
- Chinese
- 一十三萬三千四百四十二
- Chinese (financial)
- 壹拾參萬參仟肆佰肆拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 133442, here are decompositions:
- 3 + 133439 = 133442
- 139 + 133303 = 133442
- 163 + 133279 = 133442
- 181 + 133261 = 133442
- 229 + 133213 = 133442
- 241 + 133201 = 133442
- 373 + 133069 = 133442
- 409 + 133033 = 133442
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A0 A5 82 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.9.66.
- Address
- 0.2.9.66
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.9.66
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 133,442 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 133442 first appears in π at position 734,935 of the decimal expansion (the 734,935ordinal-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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.