2² × 3² × 5 × 19²

Prime Factor Structure

Factorization String 2^2 × 3^2 × 5 × 19^2

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 54

Divisor Sum (σ) 208,026

Proper Divisor Sum 143,046

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #64969 ← → #64997

1 2 3 4 5 6 9 10 12 15 18 19 20 30 36 38 45 57 60 76 90 95 114 171 180 190 228 285 342 361 380 570 684 722 855 1,083 1,140 1,444 1,710 1,805 2,166 3,249 3,420 3,610 4,332 5,415 6,498 7,220 10,830 12,996 16,245 21,660 32,490 64,980

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

64,980 32,490 16,245 48,736 24,368 12,184 6,092 3,046 1,523 4,570 2,285 6,856 3,428 1,714 857 2,572 1,286 643 1,930 965 2,896 1,448 724 362 181 544 272 136 68 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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