226 (number)

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226 (two hundred [and] twenty-six) is the natural number following 225 and preceding 227.

Contents

In mathematics

← 225 226 227 →
Cardinal two hundred twenty-six
Ordinal 226th
(two hundred twenty-sixth)
Factorization 2 × 113
Prime no
Greek numeral ΣΚϚ´
Roman numeral CCXXVI
Binary 111000102
Ternary 221013
Senary 10146
Octal 3428
Duodecimal 16A12
Hexadecimal E216

226 is a happy number, [1] and a semiprime (2×113), and a member of Aronson's sequence. [2] At most 226 different permutation patterns can occur within a single 9-element permutation. [3]

In other fields

Related Research Articles

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1000 or one thousand is the natural number following 999 and preceding 1001. In most English-speaking countries, it can be written with or without a comma or sometimes a period separating the thousands digit: 1,000.

500 is the natural number following 499 and preceding 501.

700 is the natural number following 699 and preceding 701.

600 is the natural number following 599 and preceding 601.

800 is the natural number following 799 and preceding 801.

900 is the natural number following 899 and preceding 901. It is the square of 30 and the sum of Euler's totient function for the first 54 positive integers. In base 10 it is a Harshad number.

213 is the number following 212 and preceding 214.

229 is the natural number following 228 and preceding 230.

216 is the natural number following 215 and preceding 217. It is a cube, and is often called Plato's number, although it is not certain that this is the number intended by Plato.

223 is the natural number following 222 and preceding 224.

227 is the natural number between 226 and 228. It is also a prime number.

225 is the natural number following 224 and preceding 226.

237 is the natural number following 236 and preceding 238.

263 is the natural number between 262 and 264. It is also a prime number.

270 is the natural number following 269 and preceding 271.

208 is the natural number following 207 and preceding 209.

209 is the natural number following 208 and preceding 210.

232 is the natural number following 231 and preceding 233.

238 is the natural number following 237 and preceding 239.

References

  1. ↑ Sloane, N. J. A. (ed.). "SequenceA007770(Happy numbers)". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation.
  2. ↑ Sloane, N. J. A. (ed.). "SequenceA005224(Aronson's sequence)". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation.
  3. ↑ Sloane, N. J. A. (ed.). "SequenceA088532(Patterns of permutations)". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation.
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