factordbrpc · fdb
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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.

P · Proven prime
below threshold 4 digits
↪
Term #2 of the Home prime · Base 2 sequence of 469 · 3 terms
Term #1 of the Home prime · Base 3 sequence of 332 · 2 terms
Term #1 of the Home prime · Base 4 sequence of 1333 · 2 terms
Term #2 of the Home prime · Base 8 sequence of 898 · 3 terms
Term #1 of the Home prime · Base 9 sequence of 1138 · 2 terms
Term #1 of the Inverse home prime · Base 6 sequence of 1685 · 2 terms
Term #1 of the Inverse home prime · Base 8 sequence of 465 · 2 terms
Term #1 of the Home prime · Base 19 sequence of 715 · 2 terms
Term #1 of the Home prime · Base 27 sequence of 1138 · 2 terms
Term #1 of the Home prime · Base 30 sequence of 238 · 2 terms
Term #1 of the Inverse home prime · Base 20 sequence of 707 · 2 terms
Term #2 of the Inverse home prime · Base 30 sequence of 1073 · 3 terms
Term #3 of the Conway climb · Base 2 sequence of 591 · 4 terms
Term #1 of the Conway climb · Base 3 sequence of 332 · 2 terms
Term #1 of the Conway climb · Base 4 sequence of 1333 · 2 terms
Term #2 of the Conway climb · Base 8 sequence of 848 · 3 terms
Term #1 of the Conway climb · Base 9 sequence of 1138 · 2 terms
Term #1 of the Conway climb · Base 19 sequence of 715 · 2 terms
Term #1 of the Conway climb · Base 27 sequence of 1138 · 2 terms
Term #1 of the Conway climb · Base 30 sequence of 238 · 2 terms
Term #1 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of 1125 · 2 terms
Term #6 of the Distinct-prime home prime · Base 2 sequence of 346 · 7 terms
Term #1 of the Distinct-prime home prime · Base 3 sequence of 1138 · 2 terms
Term #3 of the Distinct-prime home prime · Base 8 sequence of 451 · 4 terms
Term #1 of the Distinct-prime home prime, descending · Base 8 sequence of 465 · 2 terms
Term #2 of the Second-class home prime · Base 2 sequence of 1192 · 3 terms
Term #1 of the Second-class home prime · Base 3 sequence of 664 · 2 terms
Term #2 of the Second-class home prime · Base 8 sequence of 1490 · 3 terms
Term #2 of the Second-class home prime · Base 10 sequence of 1552 · 3 terms
Term #4 of the Mid-divisor concatenation · Base 2 sequence of 316 · 5 terms
Term #1 of the Mid-divisor concatenation · Base 3 sequence of 664 · 2 terms
Term #2 of the Mid-divisor concatenation · Base 8 sequence of 898 · 3 terms
Term #1 of the Mid-divisor concatenation · Base 10 sequence of 540 · 2 terms
Is factor of

Primality

Verified directlyproven prime

Checked deterministically (below 300 digits).

From the command linefdb · curl
fdb
fdb number '2027' --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":"2027"},"decimal":false,"detail":2}}'