133,538
133,538 is a composite number, even.
133,538 (one hundred thirty-three thousand five hundred thirty-eight) is an even 6-digit number. It is a composite number with 8 divisors, and factors as 2 × 23 × 2,903. Written other ways, in hexadecimal, 0x209A2.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 23
- Digit product
- 1,080
- Digital root
- 5
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 835,331
- Square (n²)
- 17,832,397,444
- Cube (n³)
- 2,381,302,689,876,872
- Divisor count
- 8
- σ(n) — sum of divisors
- 209,088
- φ(n) — Euler's totient
- 63,844
- Sum of prime factors
- 2,928
Primality
Prime factorization: 2 × 23 × 2903
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√133,538 = [365; (2, 2, 1, 364, 1, 2, 2, 730)]
Period length 8 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-three thousand five hundred thirty-eight
- Ordinal
- 133538th
- Binary
- 100000100110100010
- Octal
- 404642
- Hexadecimal
- 0x209A2
- Base64
- Agmi
- One's complement
- 4,294,833,757 (32-bit)
- Scientific notation
- 1.33538 × 10⁵
- As a duration
- 133,538 s = 1 day, 13 hours, 5 minutes, 38 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλγφληʹ
- Mayan (base 20)
- 𝋰·𝋭·𝋰·𝋲
- Chinese
- 一十三萬三千五百三十八
- Chinese (financial)
- 壹拾參萬參仟伍佰參拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 133538, here are decompositions:
- 19 + 133519 = 133538
- 151 + 133387 = 133538
- 211 + 133327 = 133538
- 277 + 133261 = 133538
- 337 + 133201 = 133538
- 421 + 133117 = 133538
- 487 + 133051 = 133538
- 499 + 133039 = 133538
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A0 A6 A2 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.9.162.
- Address
- 0.2.9.162
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.9.162
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 133,538 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 133538 first appears in π at position 63,951 of the decimal expansion (the 63,951ordinal-suffix:st 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.