Compare 21979 vs 21989

Property	21979	21989
Type	semiprime	semiprime
Unique factors	2	2
Total factors	2	2
Prime factorization	31¹ × 709¹	11¹ × 1999¹
Prime factorization	31 × 709	11 × 1999
Divisors count	4	4
Divisors	1, 31, 709, 21979	1, 11, 1999, 21989
Number of properties	1	1
Semiprimes	5549th	5552nd
Roman numberals
Base 2	101010111011011₂	101010111100101₂
Base 3	1010011001₃	1010011102₃
Base 4	11113123₄	11113211₄
Base 5	1200404₅	1200424₅
Base 6	245431₆	245445₆
Base 7	121036₇	121052₇
Base 8	52733₈	52745₈
Base 9	33131₉	33142₉
Base 10	21979₁₀	21989₁₀
Base 11	15571₁₁	15580₁₁
Base 12	10877₁₂	10885₁₂
Base 13	a009₁₃	a016₁₃
Base 14	801d₁₄	8029₁₄
Base 15	67a4₁₅	67ae₁₅
Base 16	55db₁₆	55e5₁₆