135,816
135,816 is a composite number, even.
135,816 (one hundred thirty-five thousand eight hundred sixteen) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2³ × 3 × 5,659. Its proper divisors sum to 203,784, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x21288.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 24
- Digit product
- 720
- Digital root
- 6
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 618,531
- Square (n²)
- 18,445,985,856
- Cube (n³)
- 2,505,260,015,018,496
- Divisor count
- 16
- σ(n) — sum of divisors
- 339,600
- φ(n) — Euler's totient
- 45,264
- Sum of prime factors
- 5,668
Primality
Prime factorization: 2 3 × 3 × 5659
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√135,816 = [368; (1, 1, 7, 3, 1, 6, 1, 5, 3, 1, 2, 4, 1, 2, 1, 1, 2, 1, 1, 28, 1, 9, 7, 1, …)]
Representations
- In words
- one hundred thirty-five thousand eight hundred sixteen
- Ordinal
- 135816th
- Binary
- 100001001010001000
- Octal
- 411210
- Hexadecimal
- 0x21288
- Base64
- AhKI
- One's complement
- 4,294,831,479 (32-bit)
- Scientific notation
- 1.35816 × 10⁵
- As a duration
- 135,816 s = 1 day, 13 hours, 43 minutes, 36 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλεωιϛʹ
- Mayan (base 20)
- 𝋰·𝋳·𝋪·𝋰
- Chinese
- 一十三萬五千八百一十六
- Chinese (financial)
- 壹拾參萬伍仟捌佰壹拾陸
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 135816, here are decompositions:
- 17 + 135799 = 135816
- 29 + 135787 = 135816
- 59 + 135757 = 135816
- 73 + 135743 = 135816
- 89 + 135727 = 135816
- 97 + 135719 = 135816
- 167 + 135649 = 135816
- 179 + 135637 = 135816
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 8A 88 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.18.136.
- Address
- 0.2.18.136
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.18.136
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 135,816 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 135816 first appears in π at position 339,835 of the decimal expansion (the 339,835ordinal-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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.