2 × 7² × 211

Prime Factor Structure

Factorization String 2 × 7^2 × 211

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 36,252

Proper Divisor Sum 15,574

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #20663 ← → #20681

1 2 7 14 49 98 211 422 1,477 2,954 10,339 20,678

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

20,678 10,339 31,018 15,509 46,528 23,264 11,632 5,816 2,908 1,454 727 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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