118,818
118,818 is a composite number, even.
118,818 (one hundred eighteen thousand eight hundred eighteen) is an even 6-digit number. It is a composite number with 48 divisors, and factors as 2 × 3² × 7 × 23 × 41. Its proper divisors sum to 195,678, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1D022.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 27
- Digit product
- 512
- Digital root
- 9
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 818,811
- Flips to (rotate 180°)
- 818,811
- Recamán's sequence
- a(242,460) = 118,818
- Square (n²)
- 14,117,717,124
- Cube (n³)
- 1,677,438,913,239,432
- Divisor count
- 48
- σ(n) — sum of divisors
- 314,496
- φ(n) — Euler's totient
- 31,680
- Sum of prime factors
- 79
Primality
Prime factorization: 2 × 3 2 × 7 × 23 × 41
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√118,818 = [344; (1, 2, 3, 76, 3, 2, 1, 688)]
Period length 8 — the block in parentheses repeats forever.
Representations
- In words
- one hundred eighteen thousand eight hundred eighteen
- Ordinal
- 118818th
- Binary
- 11101000000100010
- Octal
- 350042
- Hexadecimal
- 0x1D022
- Base64
- AdAi
- One's complement
- 4,294,848,477 (32-bit)
- Scientific notation
- 1.18818 × 10⁵
- As a duration
- 118,818 s = 1 day, 9 hours, 18 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹 · 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ριηωιηʹ
- Mayan (base 20)
- 𝋮·𝋱·𝋠·𝋲
- Chinese
- 一十一萬八千八百一十八
- Chinese (financial)
- 壹拾壹萬捌仟捌佰壹拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 118818, here are decompositions:
- 17 + 118801 = 118818
- 19 + 118799 = 118818
- 31 + 118787 = 118818
- 61 + 118757 = 118818
- 67 + 118751 = 118818
- 71 + 118747 = 118818
- 79 + 118739 = 118818
- 101 + 118717 = 118818
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 9D 80 A2 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.208.34.
- Address
- 0.1.208.34
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.208.34
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 118,818 and was likely granted around 1871.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 118818 first appears in π at position 209,176 of the decimal expansion (the 209,176ordinal-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°.