Compare 261971 vs 261981

Property261971261981
Typeprimecomposite number
Unique factors13
Total factors15
Prime factorization261971133 × 311 × 3131
Prime factorization2619713 × 3 × 3 × 31 × 313
Divisors count216
Divisors1, 2619711, 3, 9, 27, 31, 93, 279, 313, 837, 939, 2817, 8451, 9703, 29109, 87327, 261981
Number of properties80
Chen primes9493rd 
Good primes1197th 
Long primes8598th 
Primes22984th 
Prime triplets (1st member)1043rd 
Sexy primes (1st member)5350th 
Sexy prime triplets (1st member)1051st 
Twin primes (1st member)2677th 
Roman numberals  
Base 211111111110101001121111111111010111012
Base 311102210012231110221010003
Base 433333110343333311314
Base 5313403415313404115
Base 65340455653405136
Base 72140523721405367
Base 877752387775358
Base 943831894383309
Base 102619711026198110
Base 111699061116991511
Base 1210772b1210773912
Base 1392318139232513
Base 146b683146b68d14
Base 155294b155295615
Base 163ff53163ff5d16
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