Compare 221972 vs 221981

Property	221972	221981
Type	composite number	semiprime
Unique factors	3	2
Total factors	4	2
Prime factorization	2² × 211¹ × 263¹	47¹ × 4723¹
Prime factorization	2 × 2 × 211 × 263	47 × 4723
Divisors count	12	4
Divisors	1, 2, 4, 211, 263, 422, 526, 844, 1052, 55493, 110986, 221972	1, 47, 4723, 221981
Number of properties	0	1
Semiprimes		49947th
Roman numberals
Base 2	110110001100010100₂	110110001100011101₂
Base 3	102021111012₃	102021111112₃
Base 4	312030110₄	312030131₄
Base 5	24100342₅	24100411₅
Base 6	4431352₆	4431405₆
Base 7	1613102₇	1613114₇
Base 8	661424₈	661435₈
Base 9	367435₉	367445₉
Base 10	221972₁₀	221981₁₀
Base 11	141853₁₁	141861₁₁
Base 12	a8558₁₂	a8565₁₂
Base 13	7a05a₁₃	7a066₁₃
Base 14	5ac72₁₄	5ac7b₁₄
Base 15	45b82₁₅	45b8b₁₅
Base 16	36314₁₆	3631d₁₆