2² × 3 × 17971

Prime Factor Structure

Factorization String 2^2 × 3 × 17971

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 503,216

Proper Divisor Sum 287,564

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #215617 ← → #215653

1 2 3 4 6 12 17,971 35,942 53,913 71,884 107,826 215,652

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

215,652 107,826 53,913 161,740 80,870 40,435 121,306 60,653 181,960 90,980 45,490 22,745 68,236 34,118 17,059 51,178 25,589 76,768 38,384 19,192 9,596 4,798 2,399 7,198 3,599 10,798 5,399 16,198 8,099 24,298 12,149 36,448 18,224 9,112 4,556 2,278 1,139 3,418 1,709 5,128 2,564 1,282 641 1,924 962 481 1,444 722 361 1,084 542 271 814 407 1,222 611 1,834 917 2,752 1,376

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