Compare 644401 vs 644489

Property	644401	644489
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	644401¹	644489¹
Prime factorization	644401	644489
Divisors count	2	2
Divisors	1, 644401	1, 644489
Number of properties	5	3
Additive primes	20480th
Chen primes		20489th
Isolated primes	41071st
Lucky primes	6009th
Primes	52396th	52401st
Twin primes (1st member)		5664th
Ulam primes	3841st
Roman numberals
Base 2	10011101010100110001₂	10011101010110001001₂
Base 3	1012201221201₃	1012202001222₃
Base 4	2131110301₄	2131112021₄
Base 5	131110101₅	131110424₅
Base 6	21451201₆	21451425₆
Base 7	5322502₇	5322656₇
Base 8	2352461₈	2352611₈
Base 9	1181851₉	1182058₉
Base 10	644401₁₀	644489₁₀
Base 11	40016a₁₁	40023a₁₁
Base 12	270b01₁₂	270b75₁₂
Base 13	197404₁₃	197471₁₃
Base 14	12aba9₁₄	12ac2d₁₄
Base 15	cae01₁₅	cae5e₁₅
Base 16	9d531₁₆	9d589₁₆