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| − | {{Infobox |
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| − | |title = 181 |
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| − | |image = 181.png |
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| − | |imagewidth = 200 |
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| − | |roman-number = CLXXXI |
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| − | |ordinal-number = one hundred and eighty first |
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| − | |previous = [[179|<font color="white">179</font>]] |
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| − | |next = [[191|<font color="white">191</font>]]|cardinal-number = one hundred and eighty-one |
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| − | |Base-2 Form = 10110101 |
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| − | |Base-3 Form = 20201 |
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| − | |Base-4 Form = 2311 |
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| − | |Base-5 Form = 1211 |
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| − | |Base-6 Form = 501 |
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| − | |Base-7 Form = 346 |
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| − | |Base-8 Form = 265 |
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| − | |Base-9 Form = 221}}181 is a prime number from [[101-200]]. 181 has 2 factors, 1 and 181. It is the 42nd prime number, and the seventeenth prime number from 101-200. |
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| − | ==Proofs== |
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| − | *1 can divide 181 |
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| − | *2 cannot |
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| − | *3 cannot |
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| − | *4-180 cannot |
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| − | *181 can! |
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| − | ==Relationship with other odd numbers== |
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| − | ===The numbers before=== |
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| − | *The previous prime number is 179. |
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| − | **There are no odd numbers between 179 and 181. As a result, they are twin primes. |
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| − | *The previous prime number before 179 is 173. |
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| − | ===<span style="font-size:17px;">The numbers after</span>=== |
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| − | **Notably, 187 is not a prime number. It can be factored as 11 x 17. |
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| − | *193 is the next prime number after 191. |
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| − | {{Navbox_primes_3_digits}} |
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[[Category:Prime Numbers]] |
[[Category:Prime Numbers]] |
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[[Category:Prime numbers from 101-200]] |
[[Category:Prime numbers from 101-200]] |
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Revision as of 07:01, 2 February 2014
Fuck prime number