131,689
131,689 is a composite number, odd.
131,689 (one hundred thirty-one thousand six hundred eighty-nine) is an odd 6-digit number. It is a composite number with 8 divisors, and factors as 19 × 29 × 239. Written other ways, in hexadecimal, 0x20269.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 28
- Digit product
- 1,296
- Digital root
- 1
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 986,131
- Recamán's sequence
- a(228,994) = 131,689
- Square (n²)
- 17,341,992,721
- Cube (n³)
- 2,283,749,679,435,769
- Divisor count
- 8
- σ(n) — sum of divisors
- 144,000
- φ(n) — Euler's totient
- 119,952
- Sum of prime factors
- 287
Primality
Prime factorization: 19 × 29 × 239
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,689 = [362; (1, 8, 13, 1, 1, 2, 1, 1, 13, 8, 1, 724)]
Period length 12 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-one thousand six hundred eighty-nine
- Ordinal
- 131689th
- Binary
- 100000001001101001
- Octal
- 401151
- Hexadecimal
- 0x20269
- Base64
- AgJp
- One's complement
- 4,294,835,606 (32-bit)
- Scientific notation
- 1.31689 × 10⁵
- As a duration
- 131,689 s = 1 day, 12 hours, 34 minutes, 49 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλαχπθʹ
- Mayan (base 20)
- 𝋰·𝋩·𝋤·𝋩
- Chinese
- 一十三萬一千六百八十九
- Chinese (financial)
- 壹拾參萬壹仟陸佰捌拾玖
Also seen as
UTF-8 encoding: F0 A0 89 A9 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.2.105.
- Address
- 0.2.2.105
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.2.105
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 131,689 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 131689 first appears in π at position 674,962 of the decimal expansion (the 674,962ordinal-suffix:nd 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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.