2² × 3² × 11 × 53

Prime Factor Structure

Factorization String 2^2 × 3^2 × 11 × 53

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 58,968

Proper Divisor Sum 37,980

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #20983 ← → #21001

1 2 3 4 6 9 11 12 18 22 33 36 44 53 66 99 106 132 159 198 212 318 396 477 583 636 954 1,166 1,749 1,908 2,332 3,498 5,247 6,996 10,494 20,988

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

20,988 10,494 5,247 15,742 7,871 23,614 11,807 35,422 17,711 53,134 26,567 79,702 39,851 119,554 59,777 179,332 89,666 44,833 134,500 67,250 33,625 100,876 50,438 25,219 75,658 37,829 113,488 56,744 28,372 14,186 7,093 21,280 10,640 5,320 2,660 1,330 665 1,996 998 499 1,498 749 2,248 1,124 562 281 844 422 211 634 317 952 476 238 119 358 179 538 269 808

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