118,100
118,100 is a composite number, even.
118,100 (one hundred eighteen thousand one hundred) is an even 6-digit number. It is a composite number with 18 divisors, and factors as 2² × 5² × 1,181. Its proper divisors sum to 138,394, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1CD54.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 11
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 1,811
- Flips to (rotate 180°)
- 1,811
- Recamán's sequence
- a(28,328) = 118,100
- Square (n²)
- 13,947,610,000
- Cube (n³)
- 1,647,212,741,000,000
- Divisor count
- 18
- σ(n) — sum of divisors
- 256,494
- φ(n) — Euler's totient
- 47,200
- Sum of prime factors
- 1,195
Primality
Prime factorization: 2 2 × 5 2 × 1181
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√118,100 = [343; (1, 1, 1, 10, 1, 1, 1, 1, 42, 2, 1, 4, 1, 4, 1, 5, 1, 42, 9, 1, 1, 1, 10, 1, …)]
Period length 50 — the block in parentheses repeats forever.
Representations
- In words
- one hundred eighteen thousand one hundred
- Ordinal
- 118100th
- Binary
- 11100110101010100
- Octal
- 346524
- Hexadecimal
- 0x1CD54
- Base64
- Ac1U
- One's complement
- 4,294,849,195 (32-bit)
- Scientific notation
- 1.181 × 10⁵
- As a duration
- 118,100 s = 1 day, 8 hours, 48 minutes, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢
- Greek (Milesian)
- ͵ριηρʹ
- Mayan (base 20)
- 𝋮·𝋯·𝋥·𝋠
- Chinese
- 一十一萬八千一百
- Chinese (financial)
- 壹拾壹萬捌仟壹佰
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 118100, here are decompositions:
- 7 + 118093 = 118100
- 19 + 118081 = 118100
- 43 + 118057 = 118100
- 67 + 118033 = 118100
- 109 + 117991 = 118100
- 127 + 117973 = 118100
- 163 + 117937 = 118100
- 211 + 117889 = 118100
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 9C B5 94 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.205.84.
- Address
- 0.1.205.84
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.205.84
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 118,100 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 118100 first appears in π at position 604,384 of the decimal expansion (the 604,384ordinal-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.