2³ × 5 × 9901

Prime Factor Structure

Factorization String 2^3 × 5 × 9901

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 891,180

Proper Divisor Sum 495,140

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #396031 ← → #396041

1 2 4 5 8 10 20 40 9,901 19,802 39,604 49,505 79,208 99,010 198,020 396,040

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

396,040 198,020 99,010 49,505 148,516 74,258 37,129 111,388 55,694 27,847 83,542 41,771 125,314 62,657 187,972 93,986 46,993 140,980 70,490 35,245 105,736 52,868 26,434 13,217 39,652 19,826 9,913 29,740 14,870 7,435 22,306 11,153 33,460 16,730 8,365 25,096 12,548 6,274 3,137 9,412 4,706 2,353 7,060 3,530 1,765 5,296 2,648 1,324 662 331 994 497 1,492 746 373 1,120 560 280 140 70

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