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 5 digits
↪
Term #1 of the aliquot sequence of 296597 · 2 terms
Term #1 of the Home prime · Base 3 sequence of 9331 · 2 terms
Term #2 of the Home prime · Base 4 sequence of 4749 · 3 terms
Term #1 of the Home prime · Base 7 sequence of 29734 · 2 terms
Term #1 of the Home prime · Base 9 sequence of 9331 · 2 terms
Term #1 of the Inverse home prime · Base 3 sequence of 18109 · 2 terms
Term #2 of the Home prime · Base 16 sequence of 4749 · 3 terms
Term #1 of the Home prime · Base 32 sequence of 16591 · 2 terms
Term #1 of the Aliquot variants · Augmented · σ(n) − n + 1 sequence of 22200 · 2 terms
Term #1 of the Inverse home prime · Base 18 sequence of 11473 · 2 terms
Term #1 of the Inverse home prime · Base 21 sequence of 26923 · 2 terms
Term #1 of the Inverse home prime · Base 28 sequence of 18239 · 2 terms
Term #1 of the Inverse home prime · Base 34 sequence of 39401 · 2 terms
Term #1 of the Conway climb · Base 2 sequence of 34594 · 2 terms
Term #1 of the Conway climb · Base 3 sequence of 9331 · 2 terms
Term #2 of the Conway climb · Base 4 sequence of 4749 · 3 terms
Term #1 of the Conway climb · Base 7 sequence of 29504 · 2 terms
Term #1 of the Conway climb · Base 9 sequence of 9331 · 2 terms
Term #2 of the Conway climb · Base 16 sequence of 4749 · 3 terms
Term #1 of the Conway climb · Base 32 sequence of 16591 · 2 terms
Term #1 of the Distinct-prime home prime · Base 3 sequence of 9331 · 2 terms
Term #4 of the Distinct-prime home prime · Base 16 sequence of 2327 · 5 terms
Term #1 of the Distinct-prime home prime, descending · Base 3 sequence of 18109 · 2 terms
Term #1 of the Second-class home prime · Base 3 sequence of 18662 · 2 terms
Term #2 of the Second-class home prime · Base 16 sequence of 24996 · 3 terms
Term #3 of the Mid-divisor concatenation · Base 2 sequence of 12482 · 4 terms
Term #1 of the Mid-divisor concatenation · Base 3 sequence of 24222 · 2 terms
Term #1 of the Mid-divisor concatenation · Base 8 sequence of 33182 · 2 terms
Is factor of

Primality

Verified directlyproven prime

Checked deterministically (below 300 digits).

From the command linefdb · curl
fdb
fdb number '48481' --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":"48481"},"decimal":false,"detail":2}}'