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 aliquot sequence of
124825
Term #3 of the Home prime · Base 2 sequence of
616
Term #1 of the Home prime · Base 4 sequence of
8497
Term #1 of the Home prime · Base 6 sequence of
19983
Term #1 of the Home prime · Base 12 sequence of
10421
Term #1 of the Home prime · Base 18 sequence of
4145
Term #1 of the Home prime · Base 22 sequence of
17386
Term #1 of the Home prime · Base 24 sequence of
4682
Term #1 of the Home prime · Base 32 sequence of
8497
Term #2 of the Home prime · Base 36 sequence of
483
Term #1 of the Aliquot variants · Augmented · σ(n) − n + 1 sequence of
13020
Term #1 of the Inverse home prime · Base 24 sequence of
16237
Term #1 of the Inverse home prime · Base 26 sequence of
12683
Term #1 of the Inverse home prime · Base 32 sequence of
4685
Term #2 of the Conway climb · Base 2 sequence of
7707
Term #1 of the Conway climb · Base 4 sequence of
8497
Term #1 of the Conway climb · Base 6 sequence of
19983
Term #2 of the Conway climb · Base 8 sequence of
6207
Term #1 of the Conway climb · Base 12 sequence of
10421
Term #2 of the Conway climb · Base 18 sequence of
4069
Term #1 of the Conway climb · Base 22 sequence of
17386
Term #1 of the Conway climb · Base 24 sequence of
592
Term #1 of the Conway climb · Base 32 sequence of
8497
Term #2 of the Conway climb · Base 36 sequence of
483
Term #2 of the Distinct-prime home prime · Base 2 sequence of
7707
Term #2 of the Second-class home prime · Base 2 sequence of
12600
Term #4 of the Mid-divisor concatenation · Base 2 sequence of
6776
Term #1 of the Mid-divisor concatenation · Base 8 sequence of
16994
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '29989' --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":"29989"},"decimal":false,"detail":2}}'