13,242,580

2² × 5 × 13 × 31² × 53

Prime Factor Structure

Factorization String 2^2 × 5 × 13 × 31^2 × 53

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Total Divisors 72

Divisor Sum (σ) 31,529,736

Proper Divisor Sum 18,287,156

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #13242547 ← → #13242587

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

13,242,580 6,621,290 3,310,645 9,931,936 4,965,968 2,482,984 1,241,492 620,746 310,373 931,120 465,560 232,780 116,390 58,195 174,586 87,293 261,880 130,940 65,470 32,735 98,206 49,103 147,310 73,655 220,966 110,483 331,450 165,725 497,176 248,588 124,294 62,147 186,442 93,221 279,664 139,832 69,916 34,958 17,479 52,438 26,219 78,658 39,329 117,988 58,994 29,497 88,492 44,246 22,123 66,370 33,185 99,556 49,778 24,889 74,668 37,334 18,667 56,002 28,001 84,004

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