2² × 3² × 21391

Prime Factor Structure

Factorization String 2^2 × 3^2 × 21391

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 1,946,672

Proper Divisor Sum 1,176,596

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #770069 ← → #770101

1 2 3 4 6 9 12 18 36 21,391 42,782 64,173 85,564 128,346 192,519 256,692 385,038 770,076

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

770,076 385,038 192,519 577,558 288,779 866,338 433,169 1,299,508 649,754 324,877 974,632 487,316 243,658 121,829 365,488 182,744 91,372 45,686 22,843 68,530 34,265 102,796 51,398 25,699 77,098 38,549 115,648 57,824 28,912 14,456 7,228 3,614 1,807 5,422 2,711 8,134 4,067 12,202 6,101 18,304 9,152 4,576 2,288 1,144 572 286 143 430 215 646 323 970 485 1,456 728 364 182 91 274 137

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