133,990
133,990 is a composite number, even.
133,990 (one hundred thirty-three thousand nine hundred ninety) is an even 6-digit number. It is a composite number with 8 divisors, and factors as 2 × 5 × 13,399. Written other ways, in hexadecimal, 0x20B66.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 25
- Digit product
- 0
- Digital root
- 7
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 99,331
- Square (n²)
- 17,953,320,100
- Cube (n³)
- 2,405,565,360,199,000
- Divisor count
- 8
- σ(n) — sum of divisors
- 241,200
- φ(n) — Euler's totient
- 53,592
- Sum of prime factors
- 13,406
Primality
Prime factorization: 2 × 5 × 13399
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√133,990 = [366; (21, 1, 1, 7, 1, 1, 1, 1, 1, 6, 3, 1, 1, 8, 2, 7, 1, 3, 18, 1, 1, 17, 2, 1, …)]
Representations
- In words
- one hundred thirty-three thousand nine hundred ninety
- Ordinal
- 133990th
- Binary
- 100000101101100110
- Octal
- 405546
- Hexadecimal
- 0x20B66
- Base64
- Agtm
- One's complement
- 4,294,833,305 (32-bit)
- Scientific notation
- 1.3399 × 10⁵
- As a duration
- 133,990 s = 1 day, 13 hours, 13 minutes, 10 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹 𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρλγϡϟʹ
- Mayan (base 20)
- 𝋰·𝋮·𝋳·𝋪
- Chinese
- 一十三萬三千九百九十
- Chinese (financial)
- 壹拾參萬參仟玖佰玖拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 133990, here are decompositions:
- 11 + 133979 = 133990
- 23 + 133967 = 133990
- 41 + 133949 = 133990
- 71 + 133919 = 133990
- 113 + 133877 = 133990
- 137 + 133853 = 133990
- 179 + 133811 = 133990
- 257 + 133733 = 133990
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A0 AD A6 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.11.102.
- Address
- 0.2.11.102
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.11.102
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 133,990 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 133990 first appears in π at position 459,201 of the decimal expansion (the 459,201ordinal-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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.