133,518
133,518 is a composite number, even.
133,518 (one hundred thirty-three thousand five hundred eighteen) is an even 6-digit number. It is a composite number with 48 divisors, and factors as 2 × 3 × 7 × 11 × 17². Its proper divisors sum to 220,146, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x2098E.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 21
- Digit product
- 360
- Digital root
- 3
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 815,331
- Square (n²)
- 17,827,056,324
- Cube (n³)
- 2,380,232,906,267,832
- Divisor count
- 48
- σ(n) — sum of divisors
- 353,664
- φ(n) — Euler's totient
- 32,640
- Sum of prime factors
- 57
Primality
Prime factorization: 2 × 3 × 7 × 11 × 17 2
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√133,518 = [365; (2, 2, 34, 2, 2, 730)]
Period length 6 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-three thousand five hundred eighteen
- Ordinal
- 133518th
- Binary
- 100000100110001110
- Octal
- 404616
- Hexadecimal
- 0x2098E
- Base64
- AgmO
- One's complement
- 4,294,833,777 (32-bit)
- Scientific notation
- 1.33518 × 10⁵
- As a duration
- 133,518 s = 1 day, 13 hours, 5 minutes, 18 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλγφιηʹ
- Mayan (base 20)
- 𝋰·𝋭·𝋯·𝋲
- Chinese
- 一十三萬三千五百一十八
- Chinese (financial)
- 壹拾參萬參仟伍佰壹拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 133518, here are decompositions:
- 19 + 133499 = 133518
- 37 + 133481 = 133518
- 67 + 133451 = 133518
- 71 + 133447 = 133518
- 79 + 133439 = 133518
- 101 + 133417 = 133518
- 127 + 133391 = 133518
- 131 + 133387 = 133518
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A0 A6 8E (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.9.142.
- Address
- 0.2.9.142
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.9.142
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 133,518 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 133518 first appears in π at position 85,285 of the decimal expansion (the 85,285ordinal-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°.