133,530
133,530 is a composite number, even.
133,530 (one hundred thirty-three thousand five hundred thirty) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 3 × 5 × 4,451. Its proper divisors sum to 187,014, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x2099A.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 15
- Digit product
- 0
- Digital root
- 6
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 35,331
- Square (n²)
- 17,830,260,900
- Cube (n³)
- 2,380,874,737,977,000
- Divisor count
- 16
- σ(n) — sum of divisors
- 320,544
- φ(n) — Euler's totient
- 35,600
- Sum of prime factors
- 4,461
Primality
Prime factorization: 2 × 3 × 5 × 4451
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√133,530 = [365; (2, 2, 1, 1, 7, 9, 8, 2, 1, 1, 2, 1, 9, 6, 2, 12, 1, 4, 1, 2, 1, 5, 3, 3, …)]
Period length 54 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-three thousand five hundred thirty
- Ordinal
- 133530th
- Binary
- 100000100110011010
- Octal
- 404632
- Hexadecimal
- 0x2099A
- Base64
- Agma
- One's complement
- 4,294,833,765 (32-bit)
- Scientific notation
- 1.3353 × 10⁵
- As a duration
- 133,530 s = 1 day, 13 hours, 5 minutes, 30 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρλγφλʹ
- Mayan (base 20)
- 𝋰·𝋭·𝋰·𝋪
- Chinese
- 一十三萬三千五百三十
- Chinese (financial)
- 壹拾參萬參仟伍佰參拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 133530, here are decompositions:
- 11 + 133519 = 133530
- 31 + 133499 = 133530
- 37 + 133493 = 133530
- 79 + 133451 = 133530
- 83 + 133447 = 133530
- 113 + 133417 = 133530
- 127 + 133403 = 133530
- 139 + 133391 = 133530
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A0 A6 9A (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.9.154.
- Address
- 0.2.9.154
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.9.154
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 133,530 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 133530 first appears in π at position 634,411 of the decimal expansion (the 634,411ordinal-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°.