2² × 5² × 9871

Prime Factor Structure

Factorization String 2^2 × 5^2 × 9871

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 2,142,224

Proper Divisor Sum 1,155,124

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #987097 ← → #987101

1 2 4 5 10 20 25 50 100 9,871 19,742 39,484 49,355 98,710 197,420 246,775 493,550 987,100

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

987,100 493,550 246,775 740,326 370,163 1,110,490 555,245 1,665,736 832,868 416,434 208,217 624,652 312,326 156,163 468,490 234,245 702,736 351,368 175,684 87,842 43,921 131,764 65,882 32,941 98,824 49,412 24,706 12,353 37,060 18,530 9,265 27,796 13,898 6,949 20,848 10,424 5,212 2,606 1,303 3,910 1,955 5,866 2,933 8,800 4,400 2,200 1,100 550 275 826 413 1,240 620 310 155 466 233 700 350 175

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