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|roman-number = CCXXXIX |
|roman-number = CCXXXIX |
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|ordinal-number = two hundred and thirty ninth |
|ordinal-number = two hundred and thirty ninth |
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− | |previous = |
+ | |previous = 233 |
+ | |next = 241|cardinal-number = two hundred and thirty-nine |
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⚫ | |||
+ | |Base-2 Form = 11101111 |
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+ | |Base-8 Form = 357 |
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+ | |Base-16 Form = EF |
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⚫ | |||
==Proofs== |
==Proofs== |
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+ | *{{Divisibility number|Yes|1.}} |
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− | *1 can divide 239 |
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+ | *{{Divisibility number|No|2-238.}} |
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− | *2 cannot |
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+ | *{{Divisibility number|Yes|{{PAGENAME}}.}} |
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− | *3 cannot |
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+ | ==As an Exponent of Mersenne Number== |
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− | *4 - 238 cannot |
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+ | 2<sup>239</sup> - 1 is divisible by numbers such as [[479]], [[1,913]], [[5,737]], [[176,383]], and 134,000,609, and is therefore not a prime number. |
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− | *239 can! |
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+ | |||
==Relationship with other odd numbers== |
==Relationship with other odd numbers== |
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===The numbers before=== |
===The numbers before=== |
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*The previous prime number before 233 is 229. |
*The previous prime number before 233 is 229. |
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**Notably, 231 is divisible by 11 and therefore not a prime number. |
**Notably, 231 is divisible by 11 and therefore not a prime number. |
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+ | **[[237]] is divisible by 3. |
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===The numbers after=== |
===The numbers after=== |
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*The next prime number is 241. |
*The next prime number is 241. |
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**There are no odd numbers between 239 and 241. As a result, they are twin primes. |
**There are no odd numbers between 239 and 241. As a result, they are twin primes. |
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*251 is the next prime number after 241. |
*251 is the next prime number after 241. |
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− | **Notably, 243 is the fifth power of 3, 247 can be factored as 13 x |
+ | **Notably, 243 is the fifth power of 3, 247 can be factored as 13 x 19, and 249 is divisible by 3. |
{{Template:Navbox primes 3 digits}} |
{{Template:Navbox primes 3 digits}} |
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[[Category:Prime Numbers]] |
[[Category:Prime Numbers]] |
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[[Category:Prime Numbers from 201-300]] |
[[Category:Prime Numbers from 201-300]] |
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[[Category:3-Digit Prime Numbers]] |
[[Category:3-Digit Prime Numbers]] |
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+ | [[Category:Twin Primes]] |
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+ | [[Category:Sexy Primes]] |
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+ | [[Category:Chen Primes]] |
Revision as of 21:36, 4 November 2017
239 is a prime number from 201-300. 239 has 2 factors, 1 and 239. It is the 52nd prime number, and the sixth prime number from 201-300.
Proofs
As an Exponent of Mersenne Number
2239 - 1 is divisible by numbers such as 479, 1,913, 5,737, 176,383, and 134,000,609, and is therefore not a prime number.
Relationship with other odd numbers
The numbers before
- The previous prime number is 233.
- 233 and 239 are six numbers apart; therefore, they are sexy primes.
- The previous prime number before 233 is 229.
- Notably, 231 is divisible by 11 and therefore not a prime number.
- 237 is divisible by 3.
The numbers after
- The next prime number is 241.
- There are no odd numbers between 239 and 241. As a result, they are twin primes.
- 251 is the next prime number after 241.
- Notably, 243 is the fifth power of 3, 247 can be factored as 13 x 19, and 249 is divisible by 3.