2 × 3 × 5 × 20939

Prime Factor Structure

Factorization String 2 × 3 × 5 × 20939

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,507,680

Proper Divisor Sum 879,510

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #628139 ← → #628171

1 2 3 5 6 10 15 30 20,939 41,878 62,817 104,695 125,634 209,390 314,085 628,170

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

628,170 314,085 942,256 471,128 235,564 117,782 58,891 176,674 88,337 265,012 132,506 66,253 198,760 99,380 49,690 24,845 74,536 37,268 18,634 9,317 27,952 13,976 6,988 3,494 1,747 5,242 2,621 7,864 3,932 1,966 983 2,950 1,475 4,426 2,213 6,640 3,320 1,660 830 415 1,246 623 1,870 935 2,806 1,403 4,210 2,105 6,316 3,158 1,579 4,738 2,369 7,108 3,554 1,777 5,332 2,666 1,333 4,000

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