What is special about the number 893? It makes a pretty cool square with two 4’s, 7’s, and 9’s in it. Thank you OEIS.org for that fun fact.

• 893 is a composite number.
• Prime factorization: 893 = 19 × 47
• The exponents in the prime factorization are 1 and 1. Adding one to each and multiplying we get (1 + 1)(1 + 1) = 2 × 2 = 4. Therefore 893 has exactly 4 factors.
• Factors of 893: 1, 19, 47, 893
• Factor pairs: 893 = 1 × 893 or 19 × 47
• 893 has no square factors that allow its square root to be simplified. √893 ≈ 29.8831