130,490
130,490 is a composite number, even.
130,490 (one hundred thirty thousand four hundred ninety) is an even 6-digit number. It is a composite number with 8 divisors, and factors as 2 × 5 × 13,049. Written other ways, in hexadecimal, 0x1FDBA.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 17
- Digit product
- 0
- Digital root
- 8
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 94,031
- Square (n²)
- 17,027,640,100
- Cube (n³)
- 2,221,936,756,649,000
- Divisor count
- 8
- σ(n) — sum of divisors
- 234,900
- φ(n) — Euler's totient
- 52,192
- Sum of prime factors
- 13,056
Primality
Prime factorization: 2 × 5 × 13049
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√130,490 = [361; (4, 3, 1, 1, 1, 9, 8, 72, 8, 9, 1, 1, 1, 3, 4, 722)]
Period length 16 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty thousand four hundred ninety
- Ordinal
- 130490th
- Binary
- 11111110110111010
- Octal
- 376672
- Hexadecimal
- 0x1FDBA
- Base64
- Af26
- One's complement
- 4,294,836,805 (32-bit)
- Scientific notation
- 1.3049 × 10⁵
- As a duration
- 130,490 s = 1 day, 12 hours, 14 minutes, 50 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρλυϟʹ
- Mayan (base 20)
- 𝋰·𝋦·𝋤·𝋪
- Chinese
- 一十三萬零四百九十
- Chinese (financial)
- 壹拾參萬零肆佰玖拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 130490, here are decompositions:
- 7 + 130483 = 130490
- 13 + 130477 = 130490
- 43 + 130447 = 130490
- 67 + 130423 = 130490
- 79 + 130411 = 130490
- 127 + 130363 = 130490
- 211 + 130279 = 130490
- 223 + 130267 = 130490
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.253.186.
- Address
- 0.1.253.186
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.253.186
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 130,490 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 130490 first appears in π at position 234,951 of the decimal expansion (the 234,951ordinal-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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.