2² × 5 × 17657

Prime Factor Structure

Factorization String 2^2 × 5 × 17657

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 741,636

Proper Divisor Sum 388,496

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #353137 ← → #353147

1 2 4 5 10 20 17,657 35,314 70,628 88,285 176,570 353,140

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

353,140 176,570 88,285 264,856 132,428 66,214 33,107 99,322 49,661 148,984 74,492 37,246 18,623 55,870 27,935 83,806 41,903 125,710 62,855 188,566 94,283 282,850 141,425 424,276 212,138 106,069 318,208 159,104 79,552 39,776 19,888 9,944 4,972 2,486 1,243 3,730 1,865 5,596 2,798 1,399 4,198 2,099 6,298 3,149 9,448 4,724 2,362 1,181 3,544 1,772 886 443 1,330 665 1,996 998 499 1,498 749 2,248

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