135,442
135,442 is a composite number, even.
135,442 (one hundred thirty-five thousand four hundred forty-two) is an even 6-digit number. It is a composite number with 8 divisors, and factors as 2 × 241 × 281. Written other ways, in hexadecimal, 0x21112.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 19
- Digit product
- 480
- Digital root
- 1
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 244,531
- Square (n²)
- 18,344,535,364
- Cube (n³)
- 2,484,620,558,770,888
- Divisor count
- 8
- σ(n) — sum of divisors
- 204,732
- φ(n) — Euler's totient
- 67,200
- Sum of prime factors
- 524
Primality
Prime factorization: 2 × 241 × 281
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√135,442 = [368; (40, 1, 8, 8, 1, 40, 736)]
Period length 7 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-five thousand four hundred forty-two
- Ordinal
- 135442nd
- Binary
- 100001000100010010
- Octal
- 410422
- Hexadecimal
- 0x21112
- Base64
- AhES
- One's complement
- 4,294,831,853 (32-bit)
- Scientific notation
- 1.35442 × 10⁵
- As a duration
- 135,442 s = 1 day, 13 hours, 37 minutes, 22 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρλευμβʹ
- Mayan (base 20)
- 𝋰·𝋲·𝋬·𝋢
- Chinese
- 一十三萬五千四百四十二
- Chinese (financial)
- 壹拾參萬伍仟肆佰肆拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 135442, here are decompositions:
- 11 + 135431 = 135442
- 53 + 135389 = 135442
- 89 + 135353 = 135442
- 113 + 135329 = 135442
- 233 + 135209 = 135442
- 269 + 135173 = 135442
- 311 + 135131 = 135442
- 353 + 135089 = 135442
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 84 92 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.17.18.
- Address
- 0.2.17.18
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.17.18
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 135,442 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 135442 first appears in π at position 81,788 of the decimal expansion (the 81,788ordinal-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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.