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
585409
Term #1 of the Home prime · Base 5 sequence of
25205
Term #1 of the Home prime · Base 6 sequence of
16013
Term #1 of the Inverse home prime · Base 2 sequence of
48969
Term #2 of the Inverse home prime · Base 3 sequence of
9875
Term #2 of the Inverse home prime · Base 4 sequence of
13943
Term #1 of the Inverse home prime · Base 8 sequence of
76181
Term #2 of the Home prime · Base 35 sequence of
170
Term #1 of the Home prime · Base 36 sequence of
16013
Term #1 of the Aliquot variants · Quasi · σ(n) − n − 1 sequence of
58008
Term #1 of the Inverse home prime · Base 22 sequence of
57817
Term #1 of the Inverse home prime · Base 28 sequence of
59071
Term #1 of the Inverse home prime · Base 33 sequence of
41633
Term #1 of the Conway climb · Base 6 sequence of
16013
Term #2 of the Conway climb · Base 35 sequence of
170
Term #1 of the Conway climb · Base 36 sequence of
16013
Term #1 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of
58046
Term #1 of the Distinct-prime home prime, descending · Base 2 sequence of
65301
Term #3 of the Distinct-prime home prime, descending · Base 3 sequence of
30514
Term #1 of the Distinct-prime home prime, descending · Base 8 sequence of
76181
Term #2 of the Second-class home prime · Base 3 sequence of
50224
Term #5 of the Second-class home prime · Base 8 sequence of
74572
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '87071' --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":"87071"},"decimal":false,"detail":2}}'