3,948,987

3 × 7 × 47 × 4001

Prime Factor Structure

Factorization String 3 × 7 × 47 × 4001

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 6,147,072

Proper Divisor Sum 2,198,085

Digit Sum / Digital Root 48 (Root: 3)

Adjacent Primes #3948953 ← → #3949003

1 3 7 21 47 141 329 987 4,001 12,003 28,007 84,021 188,047 564,141 1,316,329 3,948,987

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

3,948,987 11,846,962 5,923,481 17,770,444 8,885,222 4,442,611 13,327,834 6,663,917 19,991,752 9,995,876 4,997,938 2,498,969 7,496,908 3,748,454 1,874,227 5,622,682 2,811,341 8,434,024 4,217,012 2,108,506 1,054,253 3,162,760 1,581,380 790,690 395,345 1,186,036 593,018 296,509 889,528 444,764 222,382 111,191 333,574 166,787 500,362 250,181 750,544 375,272 187,636 93,818 46,909 140,728 70,364 35,182 17,591 52,774 26,387 79,162 39,581 118,744 59,372 29,686 14,843 44,530 22,265 66,796 33,398 16,699 50,098 25,049

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