118,440
118,440 is a composite number, even.
118,440 (one hundred eighteen thousand four hundred forty) is an even 6-digit number. It is a composite number with 96 divisors, and factors as 2³ × 3² × 5 × 7 × 47. Its proper divisors sum to 330,840, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1CEA8.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 18
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 44,811
- Recamán's sequence
- a(243,216) = 118,440
- Square (n²)
- 14,028,033,600
- Cube (n³)
- 1,661,480,299,584,000
- Divisor count
- 96
- σ(n) — sum of divisors
- 449,280
- φ(n) — Euler's totient
- 26,496
- Sum of prime factors
- 71
Primality
Prime factorization: 2 3 × 3 2 × 5 × 7 × 47
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√118,440 = [344; (6, 1, 1, 1, 1, 1, 1, 3, 2, 5, 4, 76, 4, 5, 2, 3, 1, 1, 1, 1, 1, 1, 6, 688)]
Period length 24 — the block in parentheses repeats forever.
Representations
- In words
- one hundred eighteen thousand four hundred forty
- Ordinal
- 118440th
- Binary
- 11100111010101000
- Octal
- 347250
- Hexadecimal
- 0x1CEA8
- Base64
- Ac6o
- One's complement
- 4,294,848,855 (32-bit)
- Scientific notation
- 1.1844 × 10⁵
- As a duration
- 118,440 s = 1 day, 8 hours, 54 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 ·
- Egyptian hieroglyphic
- 𓆐𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ριηυμʹ
- Mayan (base 20)
- 𝋮·𝋰·𝋢·𝋠
- Chinese
- 一十一萬八千四百四十
- Chinese (financial)
- 壹拾壹萬捌仟肆佰肆拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 118440, here are decompositions:
- 11 + 118429 = 118440
- 17 + 118423 = 118440
- 29 + 118411 = 118440
- 31 + 118409 = 118440
- 41 + 118399 = 118440
- 53 + 118387 = 118440
- 67 + 118373 = 118440
- 71 + 118369 = 118440
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 9C BA A8 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.206.168.
- Address
- 0.1.206.168
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.206.168
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 118,440 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 118440 first appears in π at position 162,460 of the decimal expansion (the 162,460ordinal-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°.