118,400
118,400 is a composite number, even.
118,400 (one hundred eighteen thousand four hundred) is an even 6-digit number. It is a composite number with 48 divisors, and factors as 2⁷ × 5² × 37. Its proper divisors sum to 181,990, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1CE80.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 14
- Digit product
- 0
- Digital root
- 5
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 4,811
- Recamán's sequence
- a(28,468) = 118,400
- Square (n²)
- 14,018,560,000
- Cube (n³)
- 1,659,797,504,000,000
- Divisor count
- 48
- σ(n) — sum of divisors
- 300,390
- φ(n) — Euler's totient
- 46,080
- Sum of prime factors
- 61
Primality
Prime factorization: 2 7 × 5 2 × 37
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√118,400 = [344; (10, 1, 3, 42, 1, 3, 10, 1, 1, 171, 1, 1, 10, 3, 1, 42, 3, 1, 10, 688)]
Period length 20 — the block in parentheses repeats forever.
Representations
- In words
- one hundred eighteen thousand four hundred
- Ordinal
- 118400th
- Binary
- 11100111010000000
- Octal
- 347200
- Hexadecimal
- 0x1CE80
- Base64
- Ac6A
- One's complement
- 4,294,848,895 (32-bit)
- Scientific notation
- 1.184 × 10⁵
- As a duration
- 118,400 s = 1 day, 8 hours, 53 minutes, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢
- Greek (Milesian)
- ͵ριηυʹ
- Mayan (base 20)
- 𝋮·𝋰·𝋠·𝋠
- Chinese
- 一十一萬八千四百
- Chinese (financial)
- 壹拾壹萬捌仟肆佰
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 118400, here are decompositions:
- 13 + 118387 = 118400
- 31 + 118369 = 118400
- 103 + 118297 = 118400
- 127 + 118273 = 118400
- 151 + 118249 = 118400
- 181 + 118219 = 118400
- 211 + 118189 = 118400
- 229 + 118171 = 118400
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 9C BA 80 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.206.128.
- Address
- 0.1.206.128
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.206.128
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 118,400 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 118400 first appears in π at position 13,356 of the decimal expansion (the 13,356ordinal-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.