2 × 7² × 223

Prime Factor Structure

Factorization String 2 × 7^2 × 223

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 38,304

Proper Divisor Sum 16,450

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #21851 ← → #21859

1 2 7 14 49 98 223 446 1,561 3,122 10,927 21,854

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

21,854 10,927 32,782 16,391 49,174 24,587 73,762 36,881 110,644 55,322 27,661 82,984 41,492 20,746 10,373 31,120 15,560 7,780 3,890 1,945 5,836 2,918 1,459 4,378 2,189 6,568 3,284 1,642 821 2,464 1,232 616 308 154 77 232 116 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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