2² × 5 × 17 × 197

Prime Factor Structure

Factorization String 2^2 × 5 × 17 × 197

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 149,688

Proper Divisor Sum 82,708

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #66977 ← → #67003

1 2 4 5 10 17 20 34 68 85 170 197 340 394 788 985 1,970 3,349 3,940 6,698 13,396 16,745 33,490 66,980

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

66,980 33,490 16,745 50,236 25,118 12,559 37,678 18,839 56,518 28,259 84,778 42,389 127,168 63,584 31,792 15,896 7,948 3,974 1,987 5,962 2,981 8,944 4,472 2,236 1,118 559 1,678 839 2,518 1,259 3,778 1,889 5,668 2,834 1,417 4,252 2,126 1,063 3,190 1,595 4,786 2,393 7,180 3,590 1,795 5,386 2,693 8,080 4,040 2,020 1,010 505 1,516 758 379 1,138 569 1,708 854 427

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