13,257,524

2² × 7 × 29² × 563

Prime Factor Structure

Factorization String 2^2 × 7 × 29^2 × 563

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 36

Divisor Sum (σ) 27,509,664

Proper Divisor Sum 14,252,140

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #13257523 ← → #13257533

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

13,257,524 6,628,762 3,314,381 9,943,144 4,971,572 2,485,786 1,242,893 3,728,680 1,864,340 932,170 466,085 1,398,256 699,128 349,564 174,782 87,391 262,174 131,087 393,262 196,631 589,894 294,947 884,842 442,421 1,327,264 663,632 331,816 165,908 82,954 41,477 124,432 62,216 31,108 15,554 7,777 23,332 11,666 5,833 17,500 8,750 4,375 13,126 6,563 19,690 9,845 29,536 14,768 7,384 3,692 1,846 923 2,770 1,385 4,156 2,078 1,039 3,118 1,559 4,678 2,339

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