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
269455
Term #1 of the Home prime · Base 6 sequence of
31201
Term #1 of the Home prime · Base 29 sequence of
10238
Term #1 of the Home prime · Base 30 sequence of
47023
Term #1 of the Home prime · Base 36 sequence of
31201
Term #1 of the Inverse home prime · Base 15 sequence of
7186
Term #1 of the Conway climb · Base 5 sequence of
27753
Term #1 of the Conway climb · Base 6 sequence of
31201
Term #1 of the Conway climb · Base 12 sequence of
4018
Term #1 of the Conway climb · Base 16 sequence of
23153
Term #3 of the Conway climb · Base 29 sequence of
1306
Term #1 of the Conway climb · Base 30 sequence of
47023
Term #1 of the Conway climb · Base 36 sequence of
31201
Term #1 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of
24858
Term #3 of the Second-class home prime · Base 8 sequence of
25296
Term #1 of the Mid-divisor concatenation · Base 3 sequence of
33816
Term #1 of the Mid-divisor concatenation · Base 8 sequence of
14385
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '53897' --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":"53897"},"decimal":false,"detail":2}}'