13² × 43 × 641

Prime Factor Structure

Factorization String 13^2 × 43 × 641

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 5,169,384

Proper Divisor Sum 511,237

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #4658141 ← → #4658149

1 13 43 169 559 641 7,267 8,333 27,563 108,329 358,319 4,658,147

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

4,658,147 13,974,442 6,987,221 20,961,664 10,480,832 5,240,416 2,620,208 1,310,104 655,052 327,526 163,763 491,290 245,645 736,936 368,468 184,234 92,117 276,352 138,176 69,088 34,544 17,272 8,636 4,318 2,159 6,478 3,239 9,718 4,859 14,578 7,289 21,868 10,934 5,467 16,402 8,201 24,604 12,302 6,151 18,454 9,227 27,682 13,841 41,524 20,762 10,381 31,144 15,572 7,786 3,893 11,680 5,840 2,920 1,460 730 365 1,096 548 274 137

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