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 825187 · 2 terms
Term #1 of the Home prime · Base 4 sequence of 20221 · 2 terms
Term #1 of the Home prime · Base 8 sequence of 2216 · 2 terms
Term #1 of the Inverse home prime · Base 4 sequence of 6205 · 2 terms
Term #1 of the Home prime · Base 12 sequence of 38463 · 2 terms
Term #1 of the Home prime · Base 28 sequence of 27519 · 2 terms
Term #2 of the Home prime · Base 32 sequence of 12673 · 3 terms
Term #2 of the Home prime · Base 33 sequence of 1923 · 3 terms
Term #1 of the Aliquot variants · Augmented · σ(n) − n + 1 sequence of 53436 · 2 terms
Term #1 of the Aliquot variants · Quasi · σ(n) − n − 1 sequence of 64278 · 2 terms
Term #1 of the Conway climb · Base 4 sequence of 20221 · 2 terms
Term #1 of the Conway climb · Base 8 sequence of 5204 · 2 terms
Term #1 of the Conway climb · Base 12 sequence of 38463 · 2 terms
Term #1 of the Conway climb · Base 28 sequence of 27519 · 2 terms
Term #2 of the Conway climb · Base 32 sequence of 12673 · 3 terms
Term #2 of the Conway climb · Base 33 sequence of 1923 · 3 terms
Term #1 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of 69121 · 2 terms
Term #1 of the Second-class home prime · Base 8 sequence of 4432 · 2 terms
Term #2 of the Second-class home prime · Base 10 sequence of 40696 · 3 terms
Term #2 of the Mid-divisor concatenation · Base 2 sequence of 39250 · 3 terms
Term #1 of the Mid-divisor concatenation · Base 8 sequence of 23418 · 2 terms
Term #2 of the Mid-divisor concatenation · Base 16 sequence of 11102 · 3 terms
Is factor of

Primality

Verified directlyproven prime

Checked deterministically (below 300 digits).

From the command linefdb · curl
fdb
fdb number '75029' --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":"75029"},"decimal":false,"detail":2}}'