P · Proven prime
Enter a value, an expression, or a term with a variable like 10^n+1 to list a range.
Switch to Database id to look a number up by its stored id.
Reading never stores anything; use Create to add a number to the database.
See the expression syntax & functions reference.
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Term #3 of the Home prime · Base 2 sequence of
799
Term #3 of the Home prime · Base 4 sequence of
799
Term #1 of the Home prime · Base 10 sequence of
1537
Term #2 of the Inverse home prime · Base 10 sequence of
215
Term #2 of the Home prime · Base 16 sequence of
1135
Term #1 of the Home prime · Base 20 sequence of
637
Term #1 of the Home prime · Base 24 sequence of
365
Term #1 of the Home prime · Base 28 sequence of
1803
Term #1 of the Home prime · Base 34 sequence of
1282
Term #1 of the Home prime · Base 35 sequence of
1006
Term #1 of the Inverse home prime · Base 13 sequence of
454
Term #3 of the Conway climb · Base 2 sequence of
799
Term #3 of the Conway climb · Base 4 sequence of
799
Term #1 of the Conway climb · Base 10 sequence of
1537
Term #2 of the Conway climb · Base 16 sequence of
1135
Term #1 of the Conway climb · Base 24 sequence of
365
Term #1 of the Conway climb · Base 28 sequence of
1803
Term #1 of the Conway climb · Base 34 sequence of
1282
Term #1 of the Conway climb · Base 35 sequence of
1006
Term #1 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of
1684
Term #3 of the Distinct-prime home prime · Base 2 sequence of
799
Term #1 of the Distinct-prime home prime · Base 10 sequence of
1537
Term #2 of the Distinct-prime home prime · Base 16 sequence of
1135
Term #2 of the Distinct-prime home prime, descending · Base 10 sequence of
215
Term #1 of the Second-class home prime · Base 2 sequence of
1644
Term #6 of the Second-class home prime · Base 16 sequence of
2646
Term #3 of the Mid-divisor concatenation · Base 2 sequence of
444
Term #1 of the Mid-divisor concatenation · Base 3 sequence of
1332
Term #2 of the Mid-divisor concatenation · Base 10 sequence of
555
Term #2 of the Mid-divisor concatenation · Base 16 sequence of
1135
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '2953' --detail 2
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"expr":"2953"},"decimal":false,"detail":2}}'