118,172
118,172 is a composite number, even.
118,172 (one hundred eighteen thousand one hundred seventy-two) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2² × 31 × 953. Written other ways, in hexadecimal, 0x1CD9C.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 112
- Digital root
- 2
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 271,811
- Square (n²)
- 13,964,621,584
- Cube (n³)
- 1,650,227,261,824,448
- Divisor count
- 12
- σ(n) — sum of divisors
- 213,696
- φ(n) — Euler's totient
- 57,120
- Sum of prime factors
- 988
Primality
Prime factorization: 2 2 × 31 × 953
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√118,172 = [343; (1, 3, 5, 6, 8, 1, 1, 5, 1, 1, 4, 85, 1, 2, 1, 1, 2, 1, 7, 1, 1, 3, 2, 3, …)]
Period length 56 — the block in parentheses repeats forever.
Representations
- In words
- one hundred eighteen thousand one hundred seventy-two
- Ordinal
- 118172nd
- Binary
- 11100110110011100
- Octal
- 346634
- Hexadecimal
- 0x1CD9C
- Base64
- Ac2c
- One's complement
- 4,294,849,123 (32-bit)
- Scientific notation
- 1.18172 × 10⁵
- As a duration
- 118,172 s = 1 day, 8 hours, 49 minutes, 32 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ριηροβʹ
- Mayan (base 20)
- 𝋮·𝋯·𝋨·𝋬
- Chinese
- 一十一萬八千一百七十二
- Chinese (financial)
- 壹拾壹萬捌仟壹佰柒拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 118172, here are decompositions:
- 3 + 118169 = 118172
- 79 + 118093 = 118172
- 139 + 118033 = 118172
- 181 + 117991 = 118172
- 193 + 117979 = 118172
- 199 + 117973 = 118172
- 283 + 117889 = 118172
- 331 + 117841 = 118172
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 9C B6 9C (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.205.156.
- Address
- 0.1.205.156
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.205.156
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 118,172 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 118172 first appears in π at position 423,752 of the decimal expansion (the 423,752ordinal-suffix:nd 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.