2² × 13 × 19 × 67

Prime Factor Structure

Factorization String 2^2 × 13 × 19 × 67

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 133,280

Proper Divisor Sum 67,084

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #66191 ← → #66221

1 2 4 13 19 26 38 52 67 76 134 247 268 494 871 988 1,273 1,742 2,546 3,484 5,092 16,549 33,098 66,196

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

66,196 33,098 16,549 49,648 24,824 12,412 6,206 3,103 9,310 4,655 13,966 6,983 20,950 10,475 31,426 15,713 47,140 23,570 11,785 35,356 17,678 8,839 26,518 13,259 39,778 19,889 59,668 29,834 14,917 44,752 22,376 11,188 5,594 2,797 8,392 4,196 2,098 1,049 3,148 1,574 787 2,362 1,181 3,544 1,772 886 443 1,330 665 1,996 998 499 1,498 749 2,248 1,124 562 281 844 422

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