In mathematics, 1 is the multiplicative identity, meaning that any number multiplied by 1 equals the same number. 1 is by convention not considered a prime number. In digital technology, 1 …

Free math problem solver answers your algebra homework questions with step-by-step explanations.

One (1) is the first natural number, followed by two. The Roman numeral for one is I.

To enter a minus sign, use the [ - ] key at the top or on the side numeric keypad. Use the [ * ] key on the side numeric keypad to enter the multiplication sign. Use the [ / ] key on the side …

Educational video for children to learn the number 1. The little ones will learn how to trace number 1, how to pronounce it and also how to count with a seri...

1 is the Hindu-Arabic numeral for the number one (the unit). It is the smallest positive integer, and smallest natural number. 1 is the multiplicative identity, i.e. any number multiplied by 1...

Because of the multiplicative identity, if f(x) is a multiplicative function, then f(1) must equal 1. It is also the first and second numbers in the Fibonacci sequence, and is the first number in many …

May 22, 2025 · Although the number 1 used to be considered a prime number, it requires special treatment in so many definitions and applications involving primes greater than or equal to 2 …

Step 1: Enter the expression you want to evaluate. The Math Calculator will evaluate your problem down to a final solution. You can also add, subtraction, multiply, and divide and complete any …

1（一）是一个阿拉伯数字。1是一个自然数，是最小的正整数，是最小的正奇数。1是一个有理数，是一位数，也是奇数。1既不是质数也不是合数。1的n次方（n∈R）都等于1。1的倒数是它 …