13 × 61 × 641

Prime Factor Structure

Factorization String 13 × 61 × 641

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 557,256

Proper Divisor Sum 48,943

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #508301 ← → #508327

1 13 61 641 793 8,333 39,101 508,313

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

508,313 1,524,940 762,470 381,235 1,143,706 571,853 1,715,560 857,780 428,890 214,445 643,336 321,668 160,834 80,417 241,252 120,626 60,313 180,940 90,470 45,235 135,706 67,853 203,560 101,780 50,890 25,445 76,336 38,168 19,084 9,542 4,771 14,314 7,157 21,472 10,736 5,368 2,684 1,342 671 2,014 1,007 3,022 1,511 4,534 2,267 6,802 3,401 10,204 5,102 2,551 7,654 3,827 11,482 5,741 17,224 8,612 4,306 2,153 6,460 3,230

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