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
430003
Term #1 of the Home prime · Base 8 sequence of
13466
Term #1 of the Home prime · Base 10 sequence of
15883
Term #1 of the Inverse home prime · Base 8 sequence of
14677
Term #1 of the Home prime · Base 12 sequence of
30183
Term #2 of the Home prime · Base 24 sequence of
4279
Term #1 of the Home prime · Base 30 sequence of
36538
Term #1 of the Home prime · Base 32 sequence of
13466
Term #1 of the Aliquot variants · Augmented · σ(n) − n + 1 sequence of
51380
Term #1 of the Aliquot variants · Quasi · σ(n) − n − 1 sequence of
72258
Term #1 of the Inverse home prime · Base 24 sequence of
15055
Term #2 of the Conway climb · Base 8 sequence of
3249
Term #3 of the Conway climb · Base 10 sequence of
318
Term #1 of the Conway climb · Base 12 sequence of
30183
Term #1 of the Conway climb · Base 30 sequence of
36538
Term #1 of the Conway climb · Base 32 sequence of
13466
Term #1 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of
38536
Term #1 of the Distinct-prime home prime · Base 8 sequence of
13466
Term #2 of the Distinct-prime home prime · Base 10 sequence of
12991
Term #1 of the Distinct-prime home prime, descending · Base 8 sequence of
14677
Term #1 of the Second-class home prime · Base 8 sequence of
26932
Term #2 of the Second-class home prime · Base 10 sequence of
25982
Term #2 of the Second-class home prime · Base 16 sequence of
31208
Term #1 of the Mid-divisor concatenation · Base 2 sequence of
53864
Term #1 of the Mid-divisor concatenation · Base 8 sequence of
13466
Term #2 of the Mid-divisor concatenation · Base 10 sequence of
13245
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '72269' --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":"72269"},"decimal":false,"detail":2}}'