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|Base-8 Form = 235 |
|Base-8 Form = 235 |
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|Base-16 Form = 9D |
|Base-16 Form = 9D |
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+ | |standard-form = 1.57{{E|2}}}} |
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− | + | 157 is a [[101-200|prime number from 101-200]]. 157 has 2 factors, 1 and 157. It is the 37th prime number, and the twelfth prime number from 101-200. |
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==Proofs== |
==Proofs== |
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*{{Divisibility number|Yes|1.}} |
*{{Divisibility number|Yes|1.}} |
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*{{Divisibility number|No|2-156.}} |
*{{Divisibility number|No|2-156.}} |
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*{{Divisibility number|Yes|{{PAGENAME}}.}} |
*{{Divisibility number|Yes|{{PAGENAME}}.}} |
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+ | ==As an Exponent of Mersenne Number== |
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+ | 2<sup>157</sup> - 1 is divisible by 852,133,201, and is therefore not a prime number. |
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+ | |||
==Relationship with other odd numbers== |
==Relationship with other odd numbers== |
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===The numbers before=== |
===The numbers before=== |
Revision as of 08:43, 15 July 2016
157 is a prime number from 101-200. 157 has 2 factors, 1 and 157. It is the 37th prime number, and the twelfth prime number from 101-200.
Proofs
As an Exponent of Mersenne Number
2157 - 1 is divisible by 852,133,201, and is therefore not a prime number.
Relationship with other odd numbers
The numbers before
- The previous prime number is 151.
- 151 and 157 are six numbers apart; therefore, they are sexy primes.
- The previous prime number before 151 is 149.
The numbers after
- The next prime number is 163.
- In particular, 161 is divisible by 7, therefore not a prime number.
- 157 and 163 are six numbers apart; therefore, they are sexy primes.
- 167 is the next prime number after 163.