111,628
111,628 is a composite number, even.
111,628 (one hundred eleven thousand six hundred twenty-eight) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2² × 11 × 43 × 59. It is the 472nd triangular number. Written other ways, in hexadecimal, 0x1B40C.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 19
- Digit product
- 96
- Digital root
- 1
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 826,111
- Recamán's sequence
- a(76,679) = 111,628
- Square (n²)
- 12,460,810,384
- Cube (n³)
- 1,390,975,341,545,152
- Divisor count
- 24
- σ(n) — sum of divisors
- 221,760
- φ(n) — Euler's totient
- 48,720
- Sum of prime factors
- 117
Primality
Prime factorization: 2 2 × 11 × 43 × 59
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√111,628 = [334; (9, 3, 1, 1, 2, 1, 1, 2, 16, 1, 2, 1, 16, 2, 1, 1, 2, 1, 1, 3, 9, 668)]
Period length 22 — the block in parentheses repeats forever.
Representations
- In words
- one hundred eleven thousand six hundred twenty-eight
- Ordinal
- 111628th
- Binary
- 11011010000001100
- Octal
- 332014
- Hexadecimal
- 0x1B40C
- Base64
- AbQM
- One's complement
- 4,294,855,667 (32-bit)
- Scientific notation
- 1.11628 × 10⁵
- As a duration
- 111,628 s = 1 day, 7 hours, 28 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹 · 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ριαχκηʹ
- Mayan (base 20)
- 𝋭·𝋳·𝋡·𝋨
- Chinese
- 一十一萬一千六百二十八
- Chinese (financial)
- 壹拾壹萬壹仟陸佰貳拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 111628, here are decompositions:
- 5 + 111623 = 111628
- 17 + 111611 = 111628
- 29 + 111599 = 111628
- 47 + 111581 = 111628
- 89 + 111539 = 111628
- 107 + 111521 = 111628
- 131 + 111497 = 111628
- 137 + 111491 = 111628
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.180.12.
- Address
- 0.1.180.12
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.180.12
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 111,628 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 111628 first appears in π at position 179,204 of the decimal expansion (the 179,204ordinal-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
- Triangular numbers — 1, 3, 6, 10, 15 … the counting numbers stacked into triangles, and Gauss's famous shortcut for summing them.
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.