Compare 216540 vs 216551

Property	216540	216551
Type	composite number	prime
Unique factors	4	1
Total factors	7	1
Prime factorization	2² × 3³ × 5¹ × 401¹	216551¹
Prime factorization	2 × 2 × 3 × 3 × 3 × 5 × 401	216551
Divisors count	48	2
Divisors	1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 401, 540, 802, 1203, 1604, 2005, 2406, 3609, 4010, 4812, 6015, 7218, 8020, 10827, 12030, 14436, 18045, 21654, 24060, 36090, 43308, 54135, 72180, 108270, 216540	1, 216551
Number of properties	0	5
Chen primes		8056th
Good primes		1059th
Primes		19325th
Twin primes (1st member)		2295th
Ulam primes		1384th
Roman numberals
Base 2	110100110111011100₂	110100110111100111₂
Base 3	102000001000₃	102000001102₃
Base 4	310313130₄	310313213₄
Base 5	23412130₅	23412201₅
Base 6	4350300₆	4350315₆
Base 7	1561212₇	1561226₇
Base 8	646734₈	646747₈
Base 9	360030₉	360042₉
Base 10	216540₁₀	216551₁₀
Base 11	138765₁₁	138775₁₁
Base 12	a5390₁₂	a539b₁₂
Base 13	7773c₁₃	7774a₁₃
Base 14	58cb2₁₄	58cbd₁₄
Base 15	44260₁₅	4426b₁₅
Base 16	34ddc₁₆	34de7₁₆