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 2 sequence of
206
Term #1 of the Home prime · Base 5 sequence of
218
Term #1 of the Home prime · Base 10 sequence of
177
Term #1 of the Inverse home prime · Base 2 sequence of
267
Term #1 of the Inverse home prime · Base 4 sequence of
267
Term #1 of the Inverse home prime · Base 6 sequence of
295
Term #1 of the Inverse home prime · Base 7 sequence of
28
Term #1 of the Largest prime factor · largest prime² - 2 sequence of
19
Term #1 of the Home prime · Base 12 sequence of
110
Term #1 of the Home prime · Base 20 sequence of
323
Term #1 of the Home prime · Base 30 sequence of
319
Term #1 of the Inverse home prime · Base 12 sequence of
319
Term #2 of the Inverse home prime · Base 18 sequence of
289
Term #1 of the Inverse home prime · Base 21 sequence of
34
Term #1 of the Inverse home prime · Base 32 sequence of
77
Term #1 of the Conway climb · Base 2 sequence of
206
Term #2 of the Conway climb · Base 4 sequence of
94
Term #1 of the Conway climb · Base 5 sequence of
218
Term #1 of the Conway climb · Base 10 sequence of
177
Term #1 of the Conway climb · Base 12 sequence of
110
Term #1 of the Conway climb · Base 20 sequence of
323
Term #1 of the Conway climb · Base 21 sequence of
289
Term #1 of the Conway climb · Base 30 sequence of
319
Term #2 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of
81
Term #1 of the Distinct-prime home prime · Base 2 sequence of
206
Term #4 of the Distinct-prime home prime · Base 10 sequence of
123
Term #1 of the Distinct-prime home prime, descending · Base 2 sequence of
267
Term #2 of the Second-class home prime · Base 10 sequence of
260
Term #2 of the Mid-divisor concatenation · Base 2 sequence of
168
Term #1 of the Mid-divisor concatenation · Base 10 sequence of
177
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '359' --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":"359"},"decimal":false,"detail":2}}'