Compare 81920 vs 81931

Property	81920	81931
Type	composite number	prime
Unique factors	2	1
Total factors	15	1
Prime factorization	2¹⁴ × 5¹	81931¹
Prime factorization	2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5	81931
Divisors count	30	2
Divisors	1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 4096, 5120, 8192, 10240, 16384, 20480, 40960, 81920	1, 81931
Number of properties	0	6
Lucky primes		1080th
Primes		8011th
Sexy primes (1st member)		2079th
Sexy prime triplets (1st member)		464th
Super primes		1009th
Twin primes (2nd member)		1031st
Roman numberals
Base 2	10100000000000000₂	10100000000001011₂
Base 3	11011101002₃	11011101111₃
Base 4	110000000₄	110000023₄
Base 5	10110140₅	10110211₅
Base 6	1431132₆	1431151₆
Base 7	460556₇	460603₇
Base 8	240000₈	240013₈
Base 9	134332₉	134344₉
Base 10	81920₁₀	81931₁₀
Base 11	56603₁₁	56613₁₁
Base 12	3b4a8₁₂	3b4b7₁₂
Base 13	2b397₁₃	2b3a5₁₃
Base 14	21bd6₁₄	21c03₁₄
Base 15	19415₁₅	19421₁₅
Base 16	14000₁₆	1400b₁₆