130,448
130,448 is a composite number, even.
130,448 (one hundred thirty thousand four hundred forty-eight) is an even 6-digit number. It is a composite number with 20 divisors, and factors as 2⁴ × 31 × 263. Its proper divisors sum to 131,440, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1FD90.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 844,031
- Square (n²)
- 17,016,680,704
- Cube (n³)
- 2,219,791,964,475,392
- Divisor count
- 20
- σ(n) — sum of divisors
- 261,888
- φ(n) — Euler's totient
- 62,880
- Sum of prime factors
- 302
Primality
Prime factorization: 2 4 × 31 × 263
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√130,448 = [361; (5, 1, 2, 5, 3, 2, 3, 1, 8, 2, 1, 2, 2, 2, 1, 2, 8, 1, 3, 2, 3, 5, 2, 1, …)]
Period length 26 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty thousand four hundred forty-eight
- Ordinal
- 130448th
- Binary
- 11111110110010000
- Octal
- 376620
- Hexadecimal
- 0x1FD90
- Base64
- Af2Q
- One's complement
- 4,294,836,847 (32-bit)
- Scientific notation
- 1.30448 × 10⁵
- As a duration
- 130,448 s = 1 day, 12 hours, 14 minutes, 8 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλυμηʹ
- Mayan (base 20)
- 𝋰·𝋦·𝋢·𝋨
- Chinese
- 一十三萬零四百四十八
- Chinese (financial)
- 壹拾參萬零肆佰肆拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 130448, here are decompositions:
- 37 + 130411 = 130448
- 79 + 130369 = 130448
- 181 + 130267 = 130448
- 277 + 130171 = 130448
- 349 + 130099 = 130448
- 379 + 130069 = 130448
- 397 + 130051 = 130448
- 421 + 130027 = 130448
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.253.144.
- Address
- 0.1.253.144
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.253.144
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 130,448 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.