130,042
130,042 is a composite number, even.
130,042 (one hundred thirty thousand forty-two) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 11 × 23 × 257. Written other ways, in hexadecimal, 0x1FBFA.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 10
- Digit product
- 0
- Digital root
- 1
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 240,031
- Recamán's sequence
- a(33,840) = 130,042
- Square (n²)
- 16,910,921,764
- Cube (n³)
- 2,199,130,088,034,088
- Divisor count
- 16
- σ(n) — sum of divisors
- 222,912
- φ(n) — Euler's totient
- 56,320
- Sum of prime factors
- 293
Primality
Prime factorization: 2 × 11 × 23 × 257
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√130,042 = [360; (1, 1, 1, 1, 2, 2, 1, 1, 4, 1, 3, 1, 8, 2, 1, 30, 1, 2, 8, 1, 3, 1, 4, 1, …)]
Period length 32 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty thousand forty-two
- Ordinal
- 130042nd
- Binary
- 11111101111111010
- Octal
- 375772
- Hexadecimal
- 0x1FBFA
- Base64
- Afv6
- One's complement
- 4,294,837,253 (32-bit)
- Scientific notation
- 1.30042 × 10⁵
- As a duration
- 130,042 s = 1 day, 12 hours, 7 minutes, 22 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρλμβʹ
- Mayan (base 20)
- 𝋰·𝋥·𝋢·𝋢
- Chinese
- 一十三萬零四十二
- Chinese (financial)
- 壹拾參萬零肆拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 130042, here are decompositions:
- 71 + 129971 = 130042
- 83 + 129959 = 130042
- 89 + 129953 = 130042
- 149 + 129893 = 130042
- 239 + 129803 = 130042
- 293 + 129749 = 130042
- 401 + 129641 = 130042
- 449 + 129593 = 130042
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.251.250.
- Address
- 0.1.251.250
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.251.250
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 130,042 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 130042 first appears in π at position 446,472 of the decimal expansion (the 446,472ordinal-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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.