2² × 5 × 20101

Prime Factor Structure

Factorization String 2^2 × 5 × 20101

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 844,284

Proper Divisor Sum 442,264

Digit Sum / Digital Root 8 (Root: 8)

Adjacent Primes #401993 ← → #402023

1 2 4 5 10 20 20,101 40,202 80,404 100,505 201,010 402,020

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

402,020 201,010 100,505 301,516 150,758 75,379 226,138 113,069 339,208 169,604 84,802 42,401 127,204 63,602 31,801 95,404 47,702 23,851 71,554 35,777 107,332 53,666 26,833 80,500 40,250 20,125 60,376 30,188 15,094 7,547 22,642 11,321 33,964 16,982 8,491 25,474 12,737 38,212 19,106 9,553 28,660 14,330 7,165 21,496 10,748 5,374 2,687 8,062 4,031 12,094 6,047 18,142 9,071 27,214 13,607 40,822 20,411 61,234 30,617 91,852

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