13 × 23 × 47²

Prime Factor Structure

Factorization String 13 × 23 × 47^2

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 758,352

Proper Divisor Sum 97,861

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #660449 ← → #660493

1 13 23 47 299 611 1,081 2,209 14,053 28,717 50,807 660,491

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

660,491 1,981,474 990,737 2,972,212 1,486,106 743,053 2,229,160 1,114,580 557,290 278,645 835,936 417,968 208,984 104,492 52,246 26,123 78,370 39,185 117,556 58,778 29,389 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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