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The Number 1421: Properties and Meanings
Prime Factors of 1421=7x7x29.1421 is a number whose product of digits is equal to its sum of digits.
The Year 1421 AD
In the year 1421 in Florence, hoisting gear was invented.0 - 500 | 501 - 1000 | 1001 - 1500 | 1501 - 2000 | 2001 - 2500
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