Compare 621988 vs 621997

Property	621988	621997
Type	composite number	prime
Unique factors	3	1
Total factors	4	1
Prime factorization	2² × 131¹ × 1187¹	621997¹
Prime factorization	2 × 2 × 131 × 1187	621997
Divisors count	12	2
Divisors	1, 2, 4, 131, 262, 524, 1187, 2374, 4748, 155497, 310994, 621988	1, 621997
Number of properties	0	3
Isolated primes		39780th
Left-truncatable primes		524th
Primes		50759th
Roman numberals
Base 2	10010111110110100100₂	10010111110110101101₂
Base 3	1011121012121₃	1011121012221₃
Base 4	2113312210₄	2113312231₄
Base 5	124400423₅	124400442₅
Base 6	21155324₆	21155341₆
Base 7	5200243₇	5200255₇
Base 8	2276644₈	2276655₈
Base 9	1147177₉	1147187₉
Base 10	621988₁₀	621997₁₀
Base 11	395344₁₁	395352₁₁
Base 12	25bb44₁₂	25bb51₁₂
Base 13	18a153₁₃	18a15c₁₃
Base 14	12295a₁₄	122965₁₄
Base 15	c445d₁₅	c4467₁₅
Base 16	97da4₁₆	97dad₁₆