2³ × 5 × 11 × 47

Prime Factor Structure

Factorization String 2^3 × 5 × 11 × 47

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 51,840

Proper Divisor Sum 31,160

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #20663 ← → #20681

1 2 4 5 8 10 11 20 22 40 44 47 55 88 94 110 188 220 235 376 440 470 517 940 1,034 1,880 2,068 2,585 4,136 5,170 10,340 20,680

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

20,680 10,340 5,170 2,585 7,756 3,878 1,939 5,818 2,909 8,728 4,364 2,182 1,091 3,274 1,637 4,912 2,456 1,228 614 307 922 461 1,384 692 346 173 520 260 130 65 196 98 49 148 74 37 112 56 28 14 7 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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