What is the next number?
1, 2, 3, 4, ...
5
05
0
Give the prime factorization of 6.
2 * 3
3 + 5 (mod 7)
1
1 + 1/2 + 1/4 + 1/8 + 1/16 + ...
2
What is the next number?
12, 13, 14, 15, ...
16
18
1
Give the prime factorization of 77.
7*11
8 * 3 (mod 5)
4
1 + 2/3 + 4/9 + 8/27 + 16/81 + ...
3
Counting backwards what is the next number?
11, 10, 9, 8, ...
7
23
8
Give the prime factorization of 162.
2*34
Solve for x:
6 * x = 1 (mod 17)
x = 3
1 + 1/4 + 1/9 + 1/16 + 1/25 + ...
π2/6
Counting by twos what is the next number?
2, 4, 6, 8, 10, ...
12
36
729
Give the prime factorization of 216,000,000.
29*33*56
Solve for x:
5*x = 1 (mod 11)
x = 9
1 + 1/16 + 1/81 + 1/256 + 1/625 + ...
π4/90
How many pairs (sets of two) can be made from a set of four things?
six
214
16,384
Give the prime factorization of 5040.
24*32*5*7
3^1001 (mod 13)
9
While 1 + 2 + 3 + 4 + 5 + ... diverges, using Zeta function regularization it can be assigned what value?
-1/12