135,842
135,842 is a composite number, even.
135,842 (one hundred thirty-five thousand eight hundred forty-two) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 7 × 31 × 313. Written other ways, in hexadecimal, 0x212A2.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 23
- Digit product
- 960
- Digital root
- 5
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 248,531
- Square (n²)
- 18,453,048,964
- Cube (n³)
- 2,506,699,077,367,688
- Divisor count
- 16
- σ(n) — sum of divisors
- 241,152
- φ(n) — Euler's totient
- 56,160
- Sum of prime factors
- 353
Primality
Prime factorization: 2 × 7 × 31 × 313
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√135,842 = [368; (1, 1, 3, 4, 1, 9, 1, 1, 3, 368, 3, 1, 1, 9, 1, 4, 3, 1, 1, 736)]
Period length 20 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-five thousand eight hundred forty-two
- Ordinal
- 135842nd
- Binary
- 100001001010100010
- Octal
- 411242
- Hexadecimal
- 0x212A2
- Base64
- AhKi
- One's complement
- 4,294,831,453 (32-bit)
- Scientific notation
- 1.35842 × 10⁵
- As a duration
- 135,842 s = 1 day, 13 hours, 44 minutes, 2 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρλεωμβʹ
- Mayan (base 20)
- 𝋰·𝋳·𝋬·𝋢
- Chinese
- 一十三萬五千八百四十二
- Chinese (financial)
- 壹拾參萬伍仟捌佰肆拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 135842, here are decompositions:
- 13 + 135829 = 135842
- 43 + 135799 = 135842
- 61 + 135781 = 135842
- 181 + 135661 = 135842
- 193 + 135649 = 135842
- 229 + 135613 = 135842
- 241 + 135601 = 135842
- 271 + 135571 = 135842
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 8A A2 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.18.162.
- Address
- 0.2.18.162
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.18.162
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 135,842 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 135842 first appears in π at position 348,718 of the decimal expansion (the 348,718ordinal-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.