2² × 3² × 7 × 2621

Prime Factor Structure

Factorization String 2^2 × 3^2 × 7 × 2621

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 1,908,816

Proper Divisor Sum 1,248,324

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #660449 ← → #660493

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

660,492 330,246 165,123 495,370 247,685 743,056 371,528 185,764 92,882 46,441 139,324 69,662 34,831 104,494 52,247 156,742 78,371 235,114 117,557 352,672 176,336 88,168 44,084 22,042 11,021 33,064 16,532 8,266 4,133 12,400 6,200 3,100 1,550 775 2,326 1,163 3,490 1,745 5,236 2,618 1,309 3,928 1,964 982 491 1,474 737 2,212 1,106 553 1,660 830 415 1,246 623 1,870 935 2,806 1,403 4,210

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