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 6 digits
↪
Term #1 of the aliquot sequence of 236019 · 2 terms
Term #4 of the Home prime · Base 2 sequence of 7289 · 5 terms
Term #1 of the Home prime · Base 6 sequence of 16230 · 2 terms
Term #1 of the Home prime · Base 7 sequence of 21539 · 2 terms
Term #1 of the Home prime · Base 8 sequence of 64829 · 2 terms
Term #1 of the Home prime · Base 22 sequence of 34463 · 2 terms
Term #1 of the Home prime · Base 28 sequence of 69505 · 2 terms
Term #1 of the Home prime · Base 32 sequence of 76071 · 2 terms
Term #1 of the Home prime · Base 34 sequence of 17247 · 2 terms
Term #1 of the Home prime · Base 36 sequence of 24886 · 2 terms
Term #1 of the Aliquot variants · Augmented · σ(n) − n + 1 sequence of 57780 · 2 terms
Term #1 of the Inverse home prime · Base 23 sequence of 51493 · 2 terms
Term #2 of the Inverse home prime · Base 31 sequence of 2827 · 3 terms
Term #1 of the Inverse home prime · Base 34 sequence of 10911 · 2 terms
Term #6 of the Conway climb · Base 2 sequence of 10299 · 7 terms
Term #1 of the Conway climb · Base 6 sequence of 16230 · 2 terms
Term #1 of the Conway climb · Base 7 sequence of 21539 · 2 terms
Term #1 of the Conway climb · Base 8 sequence of 64829 · 2 terms
Term #2 of the Conway climb · Base 22 sequence of 20625 · 3 terms
Term #1 of the Conway climb · Base 28 sequence of 69505 · 2 terms
Term #1 of the Conway climb · Base 32 sequence of 76071 · 2 terms
Term #1 of the Conway climb · Base 34 sequence of 17247 · 2 terms
Term #1 of the Conway climb · Base 36 sequence of 24886 · 2 terms
Term #1 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of 61696 · 2 terms
Term #1 of the Distinct-prime home prime · Base 2 sequence of 32011 · 2 terms
Term #1 of the Distinct-prime home prime · Base 8 sequence of 64829 · 2 terms
Term #1 of the Second-class home prime · Base 2 sequence of 64022 · 2 terms
Term #4 of the Mid-divisor concatenation · Base 2 sequence of 16957 · 5 terms
Term #2 of the Mid-divisor concatenation · Base 3 sequence of 35757 · 3 terms
Term #3 of the Mid-divisor concatenation · Base 8 sequence of 14553 · 4 terms
Term #2 of the Mid-divisor concatenation · Base 10 sequence of 10424 · 3 terms
Is factor of

Primality

Verified directlyproven prime

Checked deterministically (below 300 digits).

From the command linefdb · curl
fdb
fdb number '123661' --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":"123661"},"decimal":false,"detail":2}}'