2² × 3² × 19961

Prime Factor Structure

Factorization String 2^2 × 3^2 × 19961

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 1,816,542

Proper Divisor Sum 1,097,946

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #718579 ← → #718603

1 2 3 4 6 9 12 18 36 19,961 39,922 59,883 79,844 119,766 179,649 239,532 359,298 718,596

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

718,596 359,298 179,649 538,948 269,474 134,737 404,212 202,106 101,053 303,160 151,580 75,790 37,895 113,686 56,843 170,530 85,265 255,796 127,898 63,949 191,848 95,924 47,962 23,981 71,944 35,972 17,986 8,993 26,980 13,490 6,745 20,236 10,118 5,059 15,178 7,589 22,768 11,384 5,692 2,846 1,423 4,270 2,135 6,406 3,203 9,610 4,805 14,416 7,208 3,604 1,802 901 2,704 1,352 676 338 169 508 254 127

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