On Line applets
1. Factorization:
a) Jack
Brennen.
b) Factoris,
by XIAO Gang.
c) ECM by
Dario Alpern.
2. Primality:
a) The
Nth prime page
b) Germany
c) Primes
by XIAO Gang.
d) Caltech
3. The
number Empire (Factorization, Primality & others) by
Vitalii Vanovschi.
4.
Numbers Aplenty (interesting natural numbers and their
properties) by Giovanni Resta.
5.
Count, Sum,
Reversing digits and
Digital root
of an integer (all this in the same box!)
6.
Remove
spaces
7. Palindromeness checkers
A,
B.
8. Numbers base
converters.
A,
B.
9. Numbers and currencies to words
converter. It supports 20 languages
|