111,840
111,840 is a composite number, even.
111,840 (one hundred eleven thousand eight hundred forty) is an even 6-digit number. It is a composite number with 48 divisors, and factors as 2⁵ × 3 × 5 × 233. Its proper divisors sum to 241,968, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1B4E0.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 15
- Digit product
- 0
- Digital root
- 6
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 48,111
- Square (n²)
- 12,508,185,600
- Cube (n³)
- 1,398,915,477,504,000
- Divisor count
- 48
- σ(n) — sum of divisors
- 353,808
- φ(n) — Euler's totient
- 29,696
- Sum of prime factors
- 251
Primality
Prime factorization: 2 5 × 3 × 5 × 233
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√111,840 = [334; (2, 2, 1, 4, 1, 4, 2, 1, 3, 1, 1, 13, 11, 13, 1, 1, 3, 1, 2, 4, 1, 4, 1, 2, …)]
Period length 26 — the block in parentheses repeats forever.
Representations
- In words
- one hundred eleven thousand eight hundred forty
- Ordinal
- 111840th
- Binary
- 11011010011100000
- Octal
- 332340
- Hexadecimal
- 0x1B4E0
- Base64
- AbTg
- One's complement
- 4,294,855,455 (32-bit)
- Scientific notation
- 1.1184 × 10⁵
- As a duration
- 111,840 s = 1 day, 7 hours, 4 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹 𒁹𒁹𒁹𒁹 ·
- Egyptian hieroglyphic
- 𓆐𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ριαωμʹ
- Mayan (base 20)
- 𝋭·𝋳·𝋬·𝋠
- Chinese
- 一十一萬一千八百四十
- Chinese (financial)
- 壹拾壹萬壹仟捌佰肆拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 111840, here are decompositions:
- 7 + 111833 = 111840
- 11 + 111829 = 111840
- 13 + 111827 = 111840
- 19 + 111821 = 111840
- 41 + 111799 = 111840
- 59 + 111781 = 111840
- 61 + 111779 = 111840
- 67 + 111773 = 111840
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.180.224.
- Address
- 0.1.180.224
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.180.224
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 111,840 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 111840 first appears in π at position 23,244 of the decimal expansion (the 23,244ordinal-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°.