2 × 5 × 13 × 41²

Prime Factor Structure

Factorization String 2 × 5 × 13 × 41^2

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 434,196

Proper Divisor Sum 215,666

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #218527 ← → #218531

1 2 5 10 13 26 41 65 82 130 205 410 533 1,066 1,681 2,665 3,362 5,330 8,405 16,810 21,853 43,706 109,265 218,530

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

218,530 109,265 327,796 163,898 81,949 245,848 122,924 61,462 30,731 92,194 46,097 138,292 69,146 34,573 103,720 51,860 25,930 12,965 38,896 19,448 9,724 4,862 2,431 7,294 3,647 10,942 5,471 16,414 8,207 24,622 12,311 36,934 18,467 55,402 27,701 83,104 41,552 20,776 10,388 5,194 2,597 7,792 3,896 1,948 974 487 1,462 731 2,194 1,097 3,292 1,646 823 2,470 1,235 3,706 1,853 5,560 2,780 1,390

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