2² × 7 × 11 × 67

Prime Factor Structure

Factorization String 2^2 × 7 × 11 × 67

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 45,696

Proper Divisor Sum 25,060

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #20627 ← → #20639

1 2 4 7 11 14 22 28 44 67 77 134 154 268 308 469 737 938 1,474 1,876 2,948 5,159 10,318 20,636

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

20,636 10,318 5,159 15,478 7,739 23,218 11,609 34,828 17,414 8,707 26,122 13,061 39,184 19,592 9,796 4,898 2,449 7,348 3,674 1,837 5,512 2,756 1,378 689 2,068 1,034 517 1,552 776 388 194 97 292 146 73 220 110 55 166 83 250 125 376 188 94 47 142 71 214 107 322 161 484 242 121 364 182 91 274 137

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