130,988
130,988 is a composite number, even.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 29
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 889,031
- Square (n²)
- 17,157,856,144
- Cube (n³)
- 2,247,473,260,590,272
- Divisor count
- 24
- σ(n) — sum of divisors
- 270,480
- φ(n) — Euler's totient
- 54,720
- Sum of prime factors
- 257
Primality
Prime factorization: 2 2 × 11 × 13 × 229
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√130,988 = [361; (1, 11, 1, 12, 1, 2, 1, 3, 3, 1, 16, 14, 1, 2, 2, 12, 2, 180, 2, 12, 2, 2, 1, 14, …)]
Period length 36 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty thousand nine hundred eighty-eight
- Ordinal
- 130988th
- Binary
- 11111111110101100
- Octal
- 377654
- Hexadecimal
- 0x1FFAC
- Base64
- Af+s
- One's complement
- 4,294,836,307 (32-bit)
- Scientific notation
- 1.30988 × 10⁵
- As a duration
- 130,988 s = 1 day, 12 hours, 23 minutes, 8 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλϡπηʹ
- Mayan (base 20)
- 𝋰·𝋧·𝋩·𝋨
- Chinese
- 一十三萬零九百八十八
- Chinese (financial)
- 壹拾參萬零玖佰捌拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 130988, here are decompositions:
- 7 + 130981 = 130988
- 19 + 130969 = 130988
- 31 + 130957 = 130988
- 61 + 130927 = 130988
- 181 + 130807 = 130988
- 307 + 130681 = 130988
- 331 + 130657 = 130988
- 337 + 130651 = 130988
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.255.172.
- Address
- 0.1.255.172
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.255.172
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 130,988 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 130988 first appears in π at position 527,523 of the decimal expansion (the 527,523ordinal-suffix:rd 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.