2³ × 5 × 9871

Prime Factor Structure

Factorization String 2^3 × 5 × 9871

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 888,480

Proper Divisor Sum 493,640

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #394837 ← → #394861

1 2 4 5 8 10 20 40 9,871 19,742 39,484 49,355 78,968 98,710 197,420 394,840

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

394,840 197,420 98,710 49,355 148,066 74,033 222,100 111,050 55,525 166,576 83,288 41,644 20,822 10,411 31,234 15,617 46,852 23,426 11,713 35,140 17,570 8,785 26,356 13,178 6,589 19,768 9,884 4,942 2,471 7,414 3,707 11,122 5,561 16,684 8,342 4,171 12,514 6,257 18,772 9,386 4,693 14,080 7,040 3,520 1,760 880 440 220 110 55 166 83 250 125 376 188 94 47 142 71

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