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 6 sequence of
870
Term #2 of the Home prime · Base 10 sequence of
611
Term #1 of the Home prime · Base 11 sequence of
1574
Term #1 of the Inverse home prime · Base 9 sequence of
766
Term #1 of the Home prime · Base 12 sequence of
3151
Term #1 of the Home prime · Base 22 sequence of
427
Term #1 of the Home prime · Base 24 sequence of
2845
Term #1 of the Home prime · Base 33 sequence of
255
Term #1 of the Home prime · Base 36 sequence of
1334
Term #1 of the Inverse home prime · Base 12 sequence of
1265
Term #1 of the Inverse home prime · Base 18 sequence of
2101
Term #3 of the Conway climb · Base 6 sequence of
255
Term #2 of the Conway climb · Base 10 sequence of
611
Term #1 of the Conway climb · Base 11 sequence of
1574
Term #1 of the Conway climb · Base 12 sequence of
3151
Term #1 of the Conway climb · Base 22 sequence of
427
Term #1 of the Conway climb · Base 24 sequence of
2845
Term #1 of the Conway climb · Base 26 sequence of
425
Term #1 of the Conway climb · Base 33 sequence of
255
Term #1 of the Conway climb · Base 36 sequence of
1334
Term #1 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of
1832
Term #2 of the Distinct-prime home prime · Base 10 sequence of
611
Term #3 of the Second-class home prime · Base 3 sequence of
3416
Term #1 of the Second-class home prime · Base 10 sequence of
2694
Term #7 of the Mid-divisor concatenation · Base 2 sequence of
192
Term #2 of the Mid-divisor concatenation · Base 3 sequence of
720
Term #3 of the Mid-divisor concatenation · Base 8 sequence of
1028
Term #5 of the Mid-divisor concatenation · Base 10 sequence of
18
Term #3 of the Mid-divisor concatenation · Base 16 sequence of
182
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '3449' --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":"3449"},"decimal":false,"detail":2}}'