5 × 13² × 613

Prime Factor Structure

Factorization String 5 × 13^2 × 613

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 674,172

Proper Divisor Sum 156,187

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #517981 ← → #517991

1 5 13 65 169 613 845 3,065 7,969 39,845 103,597 517,985

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

517,985 1,553,956 776,978 388,489 1,165,468 582,734 291,367 874,102 437,051 1,311,154 655,577 1,966,732 983,366 491,683 1,475,050 737,525 2,212,576 1,106,288 553,144 276,572 138,286 69,143 207,430 103,715 311,146 155,573 466,720 233,360 116,680 58,340 29,170 14,585 43,756 21,878 10,939 32,818 16,409 49,228 24,614 12,307 36,922 18,461 55,384 27,692 13,846 6,923 20,770 10,385 31,156 15,578 7,789 23,368 11,684 5,842 2,921 8,764 4,382 2,191 6,574 3,287

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