# Mathtime Version 1 Edition 1

Mathtime Magazine Volume 1 Edition 1 is here

## Contents

## Number Theory

### Problem 1

What is the last digit of the product of all odd integers between and

### Problem 2

What is the th letter in the sequence

(Inspiration of Problem: Alcumus/AMC 8)

### Problem 3

What is

### Problem 4

What is the sum of the digits of the square root of

### Problem 5

Find the sum of the digits of in base .

### Problem 6

Find in binary form.

### Problem 7

Find the difference between and in base 8.

### Problem 8

In what base is equal to

### Problem 9

Find the value of in base ten.

### Problem 10

What is , , , , and in binary form?

### Problem 11

, , and . What is the smallest positive integer that satisfies the above?