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 #1 of the Home prime · Base 2 sequence of
1191
Term #1 of the Home prime · Base 3 sequence of
490
Term #2 of the Home prime · Base 8 sequence of
334
Term #1 of the Home prime · Base 9 sequence of
490
Term #1 of the Inverse home prime · Base 2 sequence of
1205
Term #1 of the Inverse home prime · Base 3 sequence of
1127
Term #1 of the Inverse home prime · Base 8 sequence of
1205
Term #1 of the Inverse home prime · Base 9 sequence of
1127
Term #1 of the Inverse home prime · Base 10 sequence of
171
Term #2 of the Home prime · Base 12 sequence of
365
Term #1 of the Home prime · Base 18 sequence of
1565
Term #1 of the Home prime · Base 29 sequence of
502
Term #1 of the Aliquot variants · Augmented · σ(n) − n + 1 sequence of
1876
Term #2 of the Inverse home prime · Base 18 sequence of
451
Term #1 of the Conway climb · Base 2 sequence of
1191
Term #2 of the Conway climb · Base 8 sequence of
334
Term #3 of the Conway climb · Base 12 sequence of
320
Term #1 of the Conway climb · Base 18 sequence of
1565
Term #1 of the Conway climb · Base 29 sequence of
502
Term #1 of the Conway climb · Base 30 sequence of
208
Term #6 of the Distinct-prime home prime · Base 2 sequence of
646
Term #2 of the Distinct-prime home prime · Base 8 sequence of
334
Term #1 of the Distinct-prime home prime, descending · Base 2 sequence of
1205
Term #1 of the Distinct-prime home prime, descending · Base 8 sequence of
1205
Term #1 of the Distinct-prime home prime, descending · Base 10 sequence of
579
Term #1 of the Second-class home prime · Base 3 sequence of
980
Term #3 of the Mid-divisor concatenation · Base 2 sequence of
560
Term #2 of the Mid-divisor concatenation · Base 8 sequence of
334
Term #1 of the Mid-divisor concatenation · Base 10 sequence of
627
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '1933' --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":"1933"},"decimal":false,"detail":2}}'