Compare 12391 vs 12400

Property	12391	12400
Type	prime	composite number
Unique factors	1	3
Total factors	1	7
Prime factorization	12391¹	2⁴ × 5² × 31¹
Prime factorization	12391	2 × 2 × 2 × 2 × 5 × 5 × 31
Divisors count	2	30
Divisors	1, 12391	1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1550, 2480, 3100, 6200, 12400
Number of properties	4	0
Centered heptagonal primes	18th
Isolated primes	996th
Lucky primes	252nd
Primes	1479th
Roman numberals
Base 2	11000001100111₂	11000001110000₂
Base 3	121222221₃	122000021₃
Base 4	3001213₄	3001300₄
Base 5	344031₅	344100₅
Base 6	133211₆	133224₆
Base 7	51061₇	51103₇
Base 8	30147₈	30160₈
Base 9	17887₉	18007₉
Base 10	12391₁₀	12400₁₀
Base 11	9345₁₁	9353₁₁
Base 12	7207₁₂	7214₁₂
Base 13	5842₁₃	584b₁₃
Base 14	4731₁₄	473a₁₄
Base 15	3a11₁₅	3a1a₁₅
Base 16	3067₁₆	3070₁₆