2 × 3² × 5 × 11 × 397

Prime Factor Structure

Factorization String 2 × 3^2 × 5 × 11 × 397

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 1,117,584

Proper Divisor Sum 724,554

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #393017 ← → #393031

1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 165 198 330 397 495 794 990 1,191 1,985 2,382 3,573 3,970 4,367 5,955 7,146 8,734 11,910 13,101 17,865 21,835 26,202 35,730 39,303 43,670 65,505 78,606 131,010 196,515 393,030

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

393,030 196,515 589,546 294,773 884,320 442,160 221,080 110,540 55,270 27,635 82,906 41,453 124,360 62,180 31,090 15,545 46,636 23,318 11,659 34,978 17,489 52,468 26,234 13,117 39,352 19,676 9,838 4,919 14,758 7,379 22,138 11,069 33,208 16,604 8,302 4,151 12,454 6,227 18,682 9,341 28,024 14,012 7,006 3,503 10,510 5,255 15,766 7,883 23,650 11,825 35,476 17,738 8,869 26,608 13,304 6,652 3,326 1,663 4,990 2,495

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