Colbert Number
المؤلف:
Caldwell, C.
المصدر:
"The Prime Glossary: Colbert Numbers". https://primes.utm.edu/glossary/xpage/ColbertNumber.html.
الجزء والصفحة:
...
30-7-2020
1297
Colbert Number
A Colbert number is any prime number with more than 
decimal digits whose discovery contributes to the long-sought after proof that 
is the smallest Sierpiński number of the second kind. Colbert Numbers are named to honor Stephen T. Colbert.
There are currently five known Colbert numbers, as summarized in the following table.
| Colbert number |
decimal digits |
 |
1521561 |
 |
3918990 |
 |
2759677 |
 |
2357207 |
 |
2116617 |
The Seventeen or Bust distributed computing effort is conducting a search for the remaining six Colbert numbers (where 
indicates the exponent is unknown).
| unknown Colbert number |
decimal digits |
 |
? |
 |
? |
 |
? |
 |
? |
 |
? |
 |
? |
REFERENCES:
Caldwell, C. "The Prime Glossary: Colbert Numbers". https://primes.utm.edu/glossary/xpage/ColbertNumber.html.
Helm, L.; Moore, P.; Samidoost, P.; and Woltman, G. "Resolution of the Mixed Sierpinski Problem." Integers: Elec. J. Combin. Numb. Th. 8, No. A61, 2008.
Helm, L. and Norris, D. "Seventeen or Bust: A Distributed Attack on the Sierpinski Problem." https://www.seventeenorbust.com/.
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