130,208
130,208 is a composite number, even.
130,208 (one hundred thirty thousand two hundred eight) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2⁵ × 13 × 313. Its proper divisors sum to 146,740, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1FCA0.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 14
- Digit product
- 0
- Digital root
- 5
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 802,031
- Square (n²)
- 16,954,123,264
- Cube (n³)
- 2,207,562,481,958,912
- Divisor count
- 24
- σ(n) — sum of divisors
- 276,948
- φ(n) — Euler's totient
- 59,904
- Sum of prime factors
- 336
Primality
Prime factorization: 2 5 × 13 × 313
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√130,208 = [360; (1, 5, 2, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 1, 2, 5, 1, 720)]
Period length 18 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty thousand two hundred eight
- Ordinal
- 130208th
- Binary
- 11111110010100000
- Octal
- 376240
- Hexadecimal
- 0x1FCA0
- Base64
- Afyg
- One's complement
- 4,294,837,087 (32-bit)
- Scientific notation
- 1.30208 × 10⁵
- As a duration
- 130,208 s = 1 day, 12 hours, 10 minutes, 8 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓍢𓍢𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλσηʹ
- Mayan (base 20)
- 𝋰·𝋥·𝋪·𝋨
- Chinese
- 一十三萬零二百零八
- Chinese (financial)
- 壹拾參萬零貳佰零捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 130208, here are decompositions:
- 7 + 130201 = 130208
- 37 + 130171 = 130208
- 61 + 130147 = 130208
- 109 + 130099 = 130208
- 139 + 130069 = 130208
- 151 + 130057 = 130208
- 157 + 130051 = 130208
- 181 + 130027 = 130208
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.252.160.
- Address
- 0.1.252.160
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.252.160
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 130,208 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 130208 first appears in π at position 286,170 of the decimal expansion (the 286,170ordinal-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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.