130,240
130,240 is a composite number, even.
130,240 (one hundred thirty thousand two hundred forty) is an even 6-digit number. It is a composite number with 56 divisors, and factors as 2⁶ × 5 × 11 × 37. Its proper divisors sum to 217,232, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1FCC0.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 10
- Digit product
- 0
- Digital root
- 1
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 42,031
- Square (n²)
- 16,962,457,600
- Cube (n³)
- 2,209,190,477,824,000
- Divisor count
- 56
- σ(n) — sum of divisors
- 347,472
- φ(n) — Euler's totient
- 46,080
- Sum of prime factors
- 65
Primality
Prime factorization: 2 6 × 5 × 11 × 37
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√130,240 = [360; (1, 7, 1, 10, 2, 1, 1, 2, 1, 179, 1, 2, 1, 1, 2, 10, 1, 7, 1, 720)]
Period length 20 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty thousand two hundred forty
- Ordinal
- 130240th
- Binary
- 11111110011000000
- Octal
- 376300
- Hexadecimal
- 0x1FCC0
- Base64
- AfzA
- One's complement
- 4,294,837,055 (32-bit)
- Scientific notation
- 1.3024 × 10⁵
- As a duration
- 130,240 s = 1 day, 12 hours, 10 minutes, 40 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓍢𓍢𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρλσμʹ
- Mayan (base 20)
- 𝋰·𝋥·𝋬·𝋠
- Chinese
- 一十三萬零二百四十
- Chinese (financial)
- 壹拾參萬零貳佰肆拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 130240, here are decompositions:
- 17 + 130223 = 130240
- 29 + 130211 = 130240
- 41 + 130199 = 130240
- 113 + 130127 = 130240
- 167 + 130073 = 130240
- 197 + 130043 = 130240
- 269 + 129971 = 130240
- 281 + 129959 = 130240
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.252.192.
- Address
- 0.1.252.192
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.252.192
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 130,240 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 130240 first appears in π at position 513,288 of the decimal expansion (the 513,288ordinal-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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.