Compare 21977 vs 21988

Property	21977	21988
Type	prime	composite number
Unique factors	1	3
Total factors	1	4
Prime factorization	21977¹	2² × 23¹ × 239¹
Prime factorization	21977	2 × 2 × 23 × 239
Divisors count	2	12
Divisors	1, 21977	1, 2, 4, 23, 46, 92, 239, 478, 956, 5497, 10994, 21988
Number of properties	6	0
Chen primes	1207th
Harmonic primes	906th
Isolated primes	1719th
Long primes	931st
Primes	2462nd
Pythagorean primes	1222nd
Roman numberals
Base 2	101010111011001₂	101010111100100₂
Base 3	1010010222₃	1010011101₃
Base 4	11113121₄	11113210₄
Base 5	1200402₅	1200423₅
Base 6	245425₆	245444₆
Base 7	121034₇	121051₇
Base 8	52731₈	52744₈
Base 9	33128₉	33141₉
Base 10	21977₁₀	21988₁₀
Base 11	1556a₁₁	1557a₁₁
Base 12	10875₁₂	10884₁₂
Base 13	a007₁₃	a015₁₃
Base 14	801b₁₄	8028₁₄
Base 15	67a2₁₅	67ad₁₅
Base 16	55d9₁₆	55e4₁₆