133,890
133,890 is a composite number, even.
133,890 (one hundred thirty-three thousand eight hundred ninety) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 3 × 5 × 4,463. Its proper divisors sum to 187,518, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x20B02.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 24
- Digit product
- 0
- Digital root
- 6
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 98,331
- Square (n²)
- 17,926,532,100
- Cube (n³)
- 2,400,183,382,869,000
- Divisor count
- 16
- σ(n) — sum of divisors
- 321,408
- φ(n) — Euler's totient
- 35,696
- Sum of prime factors
- 4,473
Primality
Prime factorization: 2 × 3 × 5 × 4463
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√133,890 = [365; (1, 10, 11, 5, 1, 22, 1, 3, 2, 1, 2, 5, 3, 3, 5, 1, 5, 1, 1, 2, 1, 2, 3, 7, …)]
Representations
- In words
- one hundred thirty-three thousand eight hundred ninety
- Ordinal
- 133890th
- Binary
- 100000101100000010
- Octal
- 405402
- Hexadecimal
- 0x20B02
- Base64
- AgsC
- One's complement
- 4,294,833,405 (32-bit)
- Scientific notation
- 1.3389 × 10⁵
- As a duration
- 133,890 s = 1 day, 13 hours, 11 minutes, 30 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹 𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρλγωϟʹ
- Mayan (base 20)
- 𝋰·𝋮·𝋮·𝋪
- Chinese
- 一十三萬三千八百九十
- Chinese (financial)
- 壹拾參萬參仟捌佰玖拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 133890, here are decompositions:
- 13 + 133877 = 133890
- 17 + 133873 = 133890
- 37 + 133853 = 133890
- 47 + 133843 = 133890
- 59 + 133831 = 133890
- 79 + 133811 = 133890
- 89 + 133801 = 133890
- 109 + 133781 = 133890
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A0 AC 82 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.11.2.
- Address
- 0.2.11.2
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.11.2
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 133,890 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 133890 first appears in π at position 293,562 of the decimal expansion (the 293,562ordinal-suffix:nd 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°.