3² × 5 × 7² × 13

Prime Factor Structure

Factorization String 3^2 × 5 × 7^2 × 13

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 62,244

Proper Divisor Sum 33,579

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #28663 ← → #28669

1 3 5 7 9 13 15 21 35 39 45 49 63 65 91 105 117 147 195 245 273 315 441 455 585 637 735 819 1,365 1,911 2,205 3,185 4,095 5,733 9,555 28,665

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

28,665 85,996 42,998 21,499 64,498 32,249 96,748 48,374 24,187 72,562 36,281 108,844 54,422 27,211 81,634 40,817 122,452 61,226 30,613 91,840 45,920 22,960 11,480 5,740 2,870 1,435 4,306 2,153 6,460 3,230 1,615 4,846 2,423 7,270 3,635 10,906 5,453 16,360 8,180 4,090 2,045 6,136 3,068 1,534 767 2,302 1,151 3,454 1,727 5,182 2,591 7,774 3,887 11,662 5,831 17,494 8,747 26,242 13,121 39,364

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