Compare 81213 vs 81223

Property	81213	81223
Type	composite number	prime
Unique factors	4	1
Total factors	4	1
Prime factorization	3¹ × 11¹ × 23¹ × 107¹	81223¹
Prime factorization	3 × 11 × 23 × 107	81223
Divisors count	16	2
Divisors	1, 3, 11, 23, 33, 69, 107, 253, 321, 759, 1177, 2461, 3531, 7383, 27071, 81213	1, 81223
Number of properties	0	5
Happy primes		1234th
Harmonic primes		3001st
Isolated primes		5903rd
Left-truncatable primes		300th
Primes		7950th
Roman numberals
Base 2	10011110100111101₂	10011110101000111₂
Base 3	11010101220₃	11010102021₃
Base 4	103310331₄	103311013₄
Base 5	10044323₅	10044343₅
Base 6	1423553₆	1424011₆
Base 7	455526₇	455542₇
Base 8	236475₈	236507₈
Base 9	133356₉	133367₉
Base 10	81213₁₀	81223₁₀
Base 11	56020₁₁	5602a₁₁
Base 12	3abb9₁₂	3b007₁₂
Base 13	2ac72₁₃	2ac7c₁₃
Base 14	2184d₁₄	21859₁₄
Base 15	190e3₁₅	190ed₁₅
Base 16	13d3d₁₆	13d47₁₆