2 × 10663

Prime Factor Structure

Factorization String 2 × 10663

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 31,992

Proper Divisor Sum 10,666

Digit Sum / Digital Root 14 (Root: 5)

Adjacent Primes #21323 ← → #21341

1 2 10,663 21,326

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

21,326 10,663 31,990 15,995 47,986 23,993 71,980 35,990 17,995 53,986 26,993 80,980 40,490 20,245 60,736 30,368 15,184 7,592 3,796 1,898 949 2,848 1,424 712 356 178 89 268 134 67 202 101 304 152 76 38 19 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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