131,412
131,412 is a composite number, even.
131,412 (one hundred thirty-one thousand four hundred twelve) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2² × 3 × 47 × 233. Its proper divisors sum to 183,084, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x20154.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 12
- Digit product
- 24
- Digital root
- 3
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 214,131
- Recamán's sequence
- a(229,548) = 131,412
- Square (n²)
- 17,269,113,744
- Cube (n³)
- 2,269,368,775,326,528
- Divisor count
- 24
- σ(n) — sum of divisors
- 314,496
- φ(n) — Euler's totient
- 42,688
- Sum of prime factors
- 287
Primality
Prime factorization: 2 2 × 3 × 47 × 233
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,412 = [362; (1, 1, 31, 45, 3, 1, 1, 4, 1, 1, 3, 45, 31, 1, 1, 724)]
Period length 16 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-one thousand four hundred twelve
- Ordinal
- 131412th
- Binary
- 100000000101010100
- Octal
- 400524
- Hexadecimal
- 0x20154
- Base64
- AgFU
- One's complement
- 4,294,835,883 (32-bit)
- Scientific notation
- 1.31412 × 10⁵
- As a duration
- 131,412 s = 1 day, 12 hours, 30 minutes, 12 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋 𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρλαυιβʹ
- Mayan (base 20)
- 𝋰·𝋨·𝋪·𝋬
- Chinese
- 一十三萬一千四百一十二
- Chinese (financial)
- 壹拾參萬壹仟肆佰壹拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 131412, here are decompositions:
- 31 + 131381 = 131412
- 41 + 131371 = 131412
- 101 + 131311 = 131412
- 109 + 131303 = 131412
- 163 + 131249 = 131412
- 181 + 131231 = 131412
- 191 + 131221 = 131412
- 199 + 131213 = 131412
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A0 85 94 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.1.84.
- Address
- 0.2.1.84
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.1.84
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 131,412 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 131412 first appears in π at position 404,880 of the decimal expansion (the 404,880ordinal-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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.