P · Proven prime
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.
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See the expression syntax & functions reference.
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Term #1 of the aliquot sequence of
134949
Term #1 of the Home prime · Base 2 sequence of
4356
Term #1 of the Home prime · Base 4 sequence of
4356
Term #2 of the Inverse home prime · Base 6 sequence of
19925
Term #1 of the Inverse home prime · Base 7 sequence of
4585
Term #2 of the Inverse home prime · Base 8 sequence of
9731
Term #1 of the Home prime · Base 20 sequence of
24935
Term #1 of the Aliquot variants · Augmented · σ(n) − n + 1 sequence of
43550
Term #1 of the Inverse home prime · Base 14 sequence of
8015
Term #1 of the Inverse home prime · Base 15 sequence of
5998
Term #1 of the Inverse home prime · Base 27 sequence of
5795
Term #1 of the Inverse home prime · Base 30 sequence of
25483
Term #1 of the Inverse home prime · Base 36 sequence of
28727
Term #1 of the Conway climb · Base 2 sequence of
12404
Term #1 of the Conway climb · Base 4 sequence of
16108
Term #1 of the Conway climb · Base 5 sequence of
19792
Term #1 of the Conway climb · Base 20 sequence of
24935
Term #1 of the Conway climb · Base 24 sequence of
43011
Term #1 of the Distinct-prime home prime · Base 2 sequence of
19790
Term #2 of the Distinct-prime home prime, descending · Base 8 sequence of
9731
Term #1 of the Second-class home prime · Base 2 sequence of
8712
Term #2 of the Second-class home prime · Base 3 sequence of
28776
Term #2 of the Mid-divisor concatenation · Base 2 sequence of
23960
Term #3 of the Mid-divisor concatenation · Base 8 sequence of
4766
Term #1 of the Mid-divisor concatenation · Base 10 sequence of
19948
Term #2 of the Mid-divisor concatenation · Base 16 sequence of
27051
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '44987' --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":"44987"},"decimal":false,"detail":2}}'