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{{See also|Area codes 847 and 224|l1=Area code 224}} | {{See also|Area codes 847 and 224|l1=Area code 224}} | ||
'''224''' ( |
'''224''' (two hundred twenty four) is the natural number following 223 and preceding 225. | ||
{{Infobox number | {{Infobox number | ||
| number = 224 | | number = 224 | ||
| prime = no | | prime = no | ||
}} | }} | ||
== In Mathematics == | |||
224 is a ],<ref>{{SloanesRef|A005153|name=Practical numbers}}</ref> | |||
224 =2<sup>5</sup>·7 | |||
and a sum of two positive cubes {{nowrap|2<sup>3</sup> + 6<sup>3</sup>}}.<ref>{{SloanesRef|A003325|Numbers that are the sum of 2 positive cubes}}</ref> | |||
The sum of 224's prime factors is 17 (9 counting only distinct numbers) | |||
The product of 224's digits is 16, and the sum of them is 8. | |||
224 is non-trivially palindromic in base 3 and 15<ref>http://www.numbersaplenty.com/224</ref> | |||
224 is an ] | |||
224 is a ] because it is the multiple of the sum of its digits | |||
224 is a ] because it is divisible by each of its digits (224/2 =112, 224/4=56) | |||
224 is a ] because it is evenly divisible by the product of its digits | |||
224 is the sum of 2 cubes: | |||
224 = 23 + 63 | |||
224 is the sum of the cubes of 4 consecutive integers: | |||
224 = 23 + 33 + 43 + 53 | |||
== In Popular Culture == | |||
224 is renowned for formerly being the smallest number without a Misplaced Pages page. It is the first number user CPU502 changed on their route to add Misplaced Pages articles for every number <1000. | |||
==References== | ==References== | ||
{{Reflist}} | {{Reflist}} |
Revision as of 04:24, 5 August 2014
See also: Area code 224224 (two hundred twenty four) is the natural number following 223 and preceding 225.
Natural number
| ||||
---|---|---|---|---|
← 220 221 222 223 224 225 226 227 228 229 → ← 0 100 200 300 400 500 600 700 800 900 → | ||||
Cardinal | two hundred twenty-four | |||
Ordinal | 224th (two hundred twenty-fourth) | |||
Factorization | 2 × 7 | |||
Prime | no | |||
Greek numeral | ΣΚΔ´ | |||
Roman numeral | CCXXIV, ccxxiv | |||
Binary | 111000002 | |||
Ternary | 220223 | |||
Senary | 10126 | |||
Octal | 3408 | |||
Duodecimal | 16812 | |||
Hexadecimal | E016 |
224 is a practical number, and a sum of two positive cubes 2 + 6.
References
- Sloane, N. J. A. (ed.). "Sequence A005153 (Practical numbers)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- Sloane, N. J. A. (ed.). "Sequence A003325 (Numbers that are the sum of 2 positive cubes)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.