131,002
131,002 is a composite number, even.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 7
- Digit product
- 0
- Digital root
- 7
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 200,131
- Square (n²)
- 17,161,524,004
- Cube (n³)
- 2,248,193,967,572,008
- Divisor count
- 8
- σ(n) — sum of divisors
- 208,116
- φ(n) — Euler's totient
- 61,632
- Sum of prime factors
- 3,872
Primality
Prime factorization: 2 × 17 × 3853
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,002 = [361; (1, 16, 4, 4, 2, 4, 1, 21, 8, 2, 1, 2, 3, 1, 79, 1, 1, 1, 16, 1, 1, 3, 14, 2, …)]
Representations
- In words
- one hundred thirty-one thousand two
- Ordinal
- 131002nd
- Binary
- 11111111110111010
- Octal
- 377672
- Hexadecimal
- 0x1FFBA
- Base64
- Af+6
- One's complement
- 4,294,836,293 (32-bit)
- Scientific notation
- 1.31002 × 10⁵
- As a duration
- 131,002 s = 1 day, 12 hours, 23 minutes, 22 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓏺𓏺
- Greek (Milesian)
- ͵ρλαβʹ
- Mayan (base 20)
- 𝋰·𝋧·𝋪·𝋢
- Chinese
- 一十三萬一千零二
- Chinese (financial)
- 壹拾參萬壹仟零貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 131002, here are decompositions:
- 29 + 130973 = 131002
- 173 + 130829 = 131002
- 191 + 130811 = 131002
- 233 + 130769 = 131002
- 353 + 130649 = 131002
- 359 + 130643 = 131002
- 383 + 130619 = 131002
- 449 + 130553 = 131002
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.255.186.
- Address
- 0.1.255.186
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.255.186
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 131,002 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 131002 first appears in π at position 567,648 of the decimal expansion (the 567,648ordinal-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.