Compare 31990 vs 31999

Property	31990	31999
Type	composite number	semiprime
Unique factors	4	2
Total factors	4	2
Prime factorization	2¹ × 5¹ × 7¹ × 457¹	11¹ × 2909¹
Prime factorization	2 × 5 × 7 × 457	11 × 2909
Divisors count	16	4
Divisors	1, 2, 5, 7, 10, 14, 35, 70, 457, 914, 2285, 3199, 4570, 6398, 15995, 31990	1, 11, 2909, 31999
Number of properties	0	1
Semiprimes		7948th
Roman numberals
Base 2	111110011110110₂	111110011111111₂
Base 3	1121212211₃	1121220011₃
Base 4	13303312₄	13303333₄
Base 5	2010430₅	2010444₅
Base 6	404034₆	404051₆
Base 7	162160₇	162202₇
Base 8	76366₈	76377₈
Base 9	47784₉	47804₉
Base 10	31990₁₀	31999₁₀
Base 11	22042₁₁	22050₁₁
Base 12	1661a₁₂	16627₁₂
Base 13	1173a₁₃	11746₁₃
Base 14	b930₁₄	b939₁₄
Base 15	972a₁₅	9734₁₅
Base 16	7cf6₁₆	7cff₁₆