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(Relationships with  other odd numbers)
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===The numbers before===
 
===The numbers before===
 
*[[1,201]] is the previous prime number.
 
*[[1,201]] is the previous prime number.
**1,203 is divisible by 3
+
**1,203 and 1,209 are divisible by 3.
**1,207 is divisible by ?
+
**1,207 is the product of 17 and 71.
**1,209 is divisible by 3
+
**1,211 is divisible by 7.
**1,211 is divisible by ?
 
 
===The numbers after===
 
===The numbers after===
 
*[[1,217]] is the next prime number.
 
*[[1,217]] is the next prime number.
**They are cousin primes
+
**1,213 and 1,217 are cousin primes.
   
 
{{Navbox primes 4 digits (1)}}
 
{{Navbox primes 4 digits (1)}}

Revision as of 14:34, February 2, 2014

1,213 is a prime number from 1001-2000. 1,213 has 2 factors, 1 and 1,213. It is the 198th prime number, and the 30th prime number from 1001-2000.

Proofs

  • 1 can divide 1,213
  • 2 cannot divide 1,213
  • 3 till 1,212 cannot divide 1,213
  • 1,213 can divide itself.

Relationships with other odd numbers

The numbers before

  • 1,201 is the previous prime number.
    • 1,203 and 1,209 are divisible by 3.
    • 1,207 is the product of 17 and 71.
    • 1,211 is divisible by 7.

The numbers after

  • 1,217 is the next prime number.
    • 1,213 and 1,217 are cousin primes.
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