2 × 3² × 61²

Prime Factor Structure

Factorization String 2 × 3^2 × 61^2

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 147,537

Proper Divisor Sum 80,559

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #66977 ← → #67003

1 2 3 6 9 18 61 122 183 366 549 1,098 3,721 7,442 11,163 22,326 33,489 66,978

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

66,978 33,489 100,468 50,234 25,117 75,352 37,676 18,838 9,419 28,258 14,129 42,388 21,194 10,597 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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