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.
Reading never stores anything; use Create to add a number to the database.
See the expression syntax & functions reference.
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Term #1 of the aliquot sequence of
457835
Term #1 of the Home prime · Base 2 sequence of
49915
Term #1 of the Home prime · Base 4 sequence of
100138
Term #1 of the Home prime · Base 6 sequence of
34395
Term #1 of the Inverse home prime · Base 4 sequence of
56605
Term #1 of the Inverse home prime · Base 10 sequence of
74251
Term #1 of the Home prime · Base 17 sequence of
17092
Term #1 of the Home prime · Base 18 sequence of
10819
Term #1 of the Home prime · Base 24 sequence of
18577
Term #1 of the Home prime · Base 36 sequence of
92721
Term #1 of the Inverse home prime · Base 16 sequence of
56605
Term #1 of the Inverse home prime · Base 18 sequence of
4123
Term #1 of the Inverse home prime · Base 24 sequence of
98111
Term #1 of the Conway climb · Base 2 sequence of
49915
Term #1 of the Conway climb · Base 6 sequence of
34395
Term #1 of the Conway climb · Base 17 sequence of
17092
Term #1 of the Conway climb · Base 18 sequence of
10819
Term #1 of the Conway climb · Base 24 sequence of
18577
Term #1 of the Conway climb · Base 36 sequence of
92721
Term #1 of the Distinct-prime home prime · Base 2 sequence of
49915
Term #1 of the Distinct-prime home prime, descending · Base 10 sequence of
74251
Term #1 of the Distinct-prime home prime, descending · Base 16 sequence of
56605
Term #1 of the Second-class home prime · Base 2 sequence of
99830
Term #4 of the Mid-divisor concatenation · Base 2 sequence of
51512
Term #2 of the Mid-divisor concatenation · Base 3 sequence of
49101
Term #4 of the Mid-divisor concatenation · Base 8 sequence of
51512
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '181141' --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":"181141"},"decimal":false,"detail":2}}'