133,490
133,490 is a composite number, even.
133,490 (one hundred thirty-three thousand four hundred ninety) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 5 × 7 × 1,907. Its proper divisors sum to 141,262, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x20972.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 94,331
- Recamán's sequence
- a(35,640) = 133,490
- Square (n²)
- 17,819,580,100
- Cube (n³)
- 2,378,735,747,549,000
- Divisor count
- 16
- σ(n) — sum of divisors
- 274,752
- φ(n) — Euler's totient
- 45,744
- Sum of prime factors
- 1,921
Primality
Prime factorization: 2 × 5 × 7 × 1907
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√133,490 = [365; (2, 1, 3, 10, 52, 10, 3, 1, 2, 730)]
Period length 10 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-three thousand four hundred ninety
- Ordinal
- 133490th
- Binary
- 100000100101110010
- Octal
- 404562
- Hexadecimal
- 0x20972
- Base64
- Agly
- One's complement
- 4,294,833,805 (32-bit)
- Scientific notation
- 1.3349 × 10⁵
- As a duration
- 133,490 s = 1 day, 13 hours, 4 minutes, 50 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρλγυϟʹ
- Mayan (base 20)
- 𝋰·𝋭·𝋮·𝋪
- Chinese
- 一十三萬三千四百九十
- Chinese (financial)
- 壹拾參萬參仟肆佰玖拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 133490, here are decompositions:
- 43 + 133447 = 133490
- 73 + 133417 = 133490
- 103 + 133387 = 133490
- 139 + 133351 = 133490
- 163 + 133327 = 133490
- 211 + 133279 = 133490
- 229 + 133261 = 133490
- 277 + 133213 = 133490
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A0 A5 B2 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.9.114.
- Address
- 0.2.9.114
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.9.114
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 133,490 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 133490 first appears in π at position 403,948 of the decimal expansion (the 403,948ordinal-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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.