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 334375 · 2 terms
Term #1 of the Home prime · Base 2 sequence of 3400 · 2 terms
Term #2 of the Home prime · Base 4 sequence of 584 · 3 terms
Term #1 of the Home prime · Base 6 sequence of 42947 · 2 terms
Term #1 of the Home prime · Base 8 sequence of 43874 · 2 terms
Term #1 of the Inverse home prime · Base 5 sequence of 73531 · 2 terms
Term #2 of the Inverse home prime · Base 9 sequence of 18881 · 3 terms
Term #1 of the Inverse home prime · Base 10 sequence of 26241 · 2 terms
Term #1 of the Home prime · Base 18 sequence of 85273 · 2 terms
Term #2 of the Home prime · Base 28 sequence of 41894 · 3 terms
Term #1 of the Home prime · Base 30 sequence of 3633 · 2 terms
Term #1 of the Home prime · Base 32 sequence of 43874 · 2 terms
Term #1 of the Home prime · Base 34 sequence of 10822 · 2 terms
Term #1 of the Home prime · Base 35 sequence of 3446 · 2 terms
Term #1 of the Home prime · Base 36 sequence of 42947 · 2 terms
Term #1 of the Aliquot variants · Quasi · σ(n) − n − 1 sequence of 62430 · 2 terms
Term #1 of the Inverse home prime · Base 12 sequence of 15175 · 2 terms
Term #1 of the Inverse home prime · Base 18 sequence of 50303 · 2 terms
Term #1 of the Inverse home prime · Base 20 sequence of 56849 · 2 terms
Term #1 of the Inverse home prime · Base 25 sequence of 73531 · 2 terms
Term #1 of the Conway climb · Base 2 sequence of 43874 · 2 terms
Term #1 of the Conway climb · Base 6 sequence of 42947 · 2 terms
Term #1 of the Conway climb · Base 8 sequence of 21650 · 2 terms
Term #1 of the Conway climb · Base 18 sequence of 85273 · 2 terms
Term #2 of the Conway climb · Base 28 sequence of 41894 · 3 terms
Term #1 of the Conway climb · Base 30 sequence of 3633 · 2 terms
Term #1 of the Conway climb · Base 32 sequence of 43874 · 2 terms
Term #1 of the Conway climb · Base 34 sequence of 10822 · 2 terms
Term #1 of the Conway climb · Base 35 sequence of 3446 · 2 terms
Term #1 of the Conway climb · Base 36 sequence of 42947 · 2 terms
Term #1 of the Distinct-prime home prime · Base 2 sequence of 43874 · 2 terms
Term #1 of the Distinct-prime home prime · Base 8 sequence of 43874 · 2 terms
Term #2 of the Distinct-prime home prime, descending · Base 10 sequence of 18101 · 3 terms
Term #1 of the Second-class home prime · Base 2 sequence of 6800 · 2 terms
Term #8 of the Second-class home prime · Base 3 sequence of 20784 · 9 terms
Term #1 of the Mid-divisor concatenation · Base 2 sequence of 43874 · 2 terms
Term #3 of the Mid-divisor concatenation · Base 3 sequence of 16002 · 4 terms
Term #1 of the Mid-divisor concatenation · Base 8 sequence of 43874 · 2 terms
Is factor of

Primality

Verified directlyproven prime

Checked deterministically (below 300 digits).

From the command linefdb · curl
fdb
fdb number '87473' --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":"87473"},"decimal":false,"detail":2}}'