135,438
135,438 is a composite number, even.
135,438 (one hundred thirty-five thousand four hundred thirty-eight) is an even 6-digit number. It is a composite number with 8 divisors, and factors as 2 × 3 × 22,573. Its proper divisors sum to 135,450, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x2110E.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 24
- Digit product
- 1,440
- Digital root
- 6
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 834,531
- Square (n²)
- 18,343,451,844
- Cube (n³)
- 2,484,400,430,847,672
- Divisor count
- 8
- σ(n) — sum of divisors
- 270,888
- φ(n) — Euler's totient
- 45,144
- Sum of prime factors
- 22,578
Primality
Prime factorization: 2 × 3 × 22573
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√135,438 = [368; (52, 1, 1, 2, 1, 14, 3, 3, 1, 4, 4, 5, 17, 2, 1, 244, 1, 2, 17, 5, 4, 4, 1, 3, …)]
Period length 32 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-five thousand four hundred thirty-eight
- Ordinal
- 135438th
- Binary
- 100001000100001110
- Octal
- 410416
- Hexadecimal
- 0x2110E
- Base64
- AhEO
- One's complement
- 4,294,831,857 (32-bit)
- Scientific notation
- 1.35438 × 10⁵
- As a duration
- 135,438 s = 1 day, 13 hours, 37 minutes, 18 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλευληʹ
- Mayan (base 20)
- 𝋰·𝋲·𝋫·𝋲
- Chinese
- 一十三萬五千四百三十八
- Chinese (financial)
- 壹拾參萬伍仟肆佰參拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 135438, here are decompositions:
- 5 + 135433 = 135438
- 7 + 135431 = 135438
- 11 + 135427 = 135438
- 29 + 135409 = 135438
- 47 + 135391 = 135438
- 71 + 135367 = 135438
- 89 + 135349 = 135438
- 109 + 135329 = 135438
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 84 8E (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.17.14.
- Address
- 0.2.17.14
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.17.14
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 135,438 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 135438 first appears in π at position 83,771 of the decimal expansion (the 83,771ordinal-suffix:st 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°.