135,242
135,242 is a composite number, even.
135,242 (one hundred thirty-five thousand two hundred forty-two) is an even 6-digit number. It is a composite number with 8 divisors, and factors as 2 × 19 × 3,559. Written other ways, in hexadecimal, 0x2104A.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 17
- Digit product
- 240
- Digital root
- 8
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 242,531
- Square (n²)
- 18,290,398,564
- Cube (n³)
- 2,473,630,082,592,488
- Divisor count
- 8
- σ(n) — sum of divisors
- 213,600
- φ(n) — Euler's totient
- 64,044
- Sum of prime factors
- 3,580
Primality
Prime factorization: 2 × 19 × 3559
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√135,242 = [367; (1, 3, 23, 2, 9, 1, 6, 1, 2, 9, 1, 1, 2, 4, 5, 1, 4, 31, 1, 3, 2, 1, 1, 1, …)]
Representations
- In words
- one hundred thirty-five thousand two hundred forty-two
- Ordinal
- 135242nd
- Binary
- 100001000001001010
- Octal
- 410112
- Hexadecimal
- 0x2104A
- Base64
- AhBK
- One's complement
- 4,294,832,053 (32-bit)
- Scientific notation
- 1.35242 × 10⁵
- As a duration
- 135,242 s = 1 day, 13 hours, 34 minutes, 2 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρλεσμβʹ
- Mayan (base 20)
- 𝋰·𝋲·𝋢·𝋢
- Chinese
- 一十三萬五千二百四十二
- Chinese (financial)
- 壹拾參萬伍仟貳佰肆拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 135242, here are decompositions:
- 31 + 135211 = 135242
- 61 + 135181 = 135242
- 193 + 135049 = 135242
- 199 + 135043 = 135242
- 223 + 135019 = 135242
- 661 + 134581 = 135242
- 739 + 134503 = 135242
- 883 + 134359 = 135242
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 81 8A (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.16.74.
- Address
- 0.2.16.74
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.16.74
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 135,242 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 135242 first appears in π at position 637,547 of the decimal expansion (the 637,547ordinal-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.