130,040
130,040 is a composite number, even.
130,040 (one hundred thirty thousand forty) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2³ × 5 × 3,251. Its proper divisors sum to 162,640, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1FBF8.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 8
- Digit product
- 0
- Digital root
- 8
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 40,031
- Recamán's sequence
- a(33,836) = 130,040
- Square (n²)
- 16,910,401,600
- Cube (n³)
- 2,199,028,624,064,000
- Divisor count
- 16
- σ(n) — sum of divisors
- 292,680
- φ(n) — Euler's totient
- 52,000
- Sum of prime factors
- 3,262
Primality
Prime factorization: 2 3 × 5 × 3251
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√130,040 = [360; (1, 1, 1, 1, 3, 5, 1, 2, 6, 1, 1, 2, 1, 1, 12, 3, 2, 1, 2, 3, 1, 8, 1, 2, …)]
Representations
- In words
- one hundred thirty thousand forty
- Ordinal
- 130040th
- Binary
- 11111101111111000
- Octal
- 375770
- Hexadecimal
- 0x1FBF8
- Base64
- Afv4
- One's complement
- 4,294,837,255 (32-bit)
- Scientific notation
- 1.3004 × 10⁵
- As a duration
- 130,040 s = 1 day, 12 hours, 7 minutes, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρλμʹ
- Mayan (base 20)
- 𝋰·𝋥·𝋢·𝋠
- Chinese
- 一十三萬零四十
- Chinese (financial)
- 壹拾參萬零肆拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 130040, here are decompositions:
- 13 + 130027 = 130040
- 19 + 130021 = 130040
- 37 + 130003 = 130040
- 73 + 129967 = 130040
- 103 + 129937 = 130040
- 139 + 129901 = 130040
- 199 + 129841 = 130040
- 271 + 129769 = 130040
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 9F AF B8 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.251.248.
- Address
- 0.1.251.248
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.251.248
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 130,040 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 130040 first appears in π at position 449,947 of the decimal expansion (the 449,947ordinal-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.