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.
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See the expression syntax & functions reference.
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Term #1 of the aliquot sequence of
1055977
Term #1 of the Home prime · Base 6 sequence of
55102
Term #1 of the Inverse home prime · Base 2 sequence of
105749
Term #3 of the Inverse home prime · Base 5 sequence of
2906
Term #2 of the Inverse home prime · Base 6 sequence of
64331
Term #1 of the Home prime · Base 12 sequence of
85915
Term #1 of the Home prime · Base 36 sequence of
55102
Term #1 of the Aliquot variants · Quasi · σ(n) − n − 1 sequence of
62016
Term #1 of the Inverse home prime · Base 12 sequence of
39433
Term #1 of the Inverse home prime · Base 20 sequence of
18129
Term #1 of the Conway climb · Base 6 sequence of
55102
Term #1 of the Conway climb · Base 12 sequence of
85915
Term #1 of the Conway climb · Base 36 sequence of
55102
Term #2 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of
57548
Term #2 of the Second-class home prime · Base 8 sequence of
52872
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '120863' --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":"120863"},"decimal":false,"detail":2}}'