13 × 1721

Prime Factor Structure

Factorization String 13 × 1721

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 24,108

Proper Divisor Sum 1,735

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #22369 ← → #22381

1 13 1,721 22,373

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

22,373 67,120 33,560 16,780 8,390 4,195 12,586 6,293 18,880 9,440 4,720 2,360 1,180 590 295 886 443 1,330 665 1,996 998 499 1,498 749 2,248 1,124 562 281 844 422 211 634 317 952 476 238 119 358 179 538 269 808 404 202 101 304 152 76 38 19 58 29 88 44 22 11 34 17 52 26

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