Compare 221970 vs 221981

Property	221970	221981
Type	composite number	semiprime
Unique factors	5	2
Total factors	6	2
Prime factorization	2¹ × 3¹ × 5¹ × 7² × 151¹	47¹ × 4723¹
Prime factorization	2 × 3 × 5 × 7 × 7 × 151	47 × 4723
Divisors count	48	4
Divisors	1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 151, 210, 245, 294, 302, 453, 490, 735, 755, 906, 1057, 1470, 1510, 2114, 2265, 3171, 4530, 5285, 6342, 7399, 10570, 14798, 15855, 22197, 31710, 36995, 44394, 73990, 110985, 221970	1, 47, 4723, 221981
Number of properties	0	1
Semiprimes		49947th
Roman numberals
Base 2	110110001100010010₂	110110001100011101₂
Base 3	102021111010₃	102021111112₃
Base 4	312030102₄	312030131₄
Base 5	24100340₅	24100411₅
Base 6	4431350₆	4431405₆
Base 7	1613100₇	1613114₇
Base 8	661422₈	661435₈
Base 9	367433₉	367445₉
Base 10	221970₁₀	221981₁₀
Base 11	141851₁₁	141861₁₁
Base 12	a8556₁₂	a8565₁₂
Base 13	7a058₁₃	7a066₁₃
Base 14	5ac70₁₄	5ac7b₁₄
Base 15	45b80₁₅	45b8b₁₅
Base 16	36312₁₆	3631d₁₆