21 multiplied by 13 is 273

Explanation: Multiplication is repeated addition. So, 21 × 13 means adding 21, 13 times:

Word Problem Style

If you have 13 boxes and each box contains 21 apples, then the total number of apples is 273.

Quick Facts

• 21 is called the multiplicand.
• 13 is called the multiplier.
• The result, 273, is called the product.

Multiplication Table for 21

Explore More Multiplications

• 21 × 14
• 21 × 15
• 21 × 16
• 21 × 17
• 21 × 18
• 22 × 13
• 23 × 13
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• 26 × 13