2² × 11 × 19 × 397

Prime Factor Structure

Factorization String 2^2 × 11 × 19 × 397

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 668,640

Proper Divisor Sum 336,748

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #331889 ← → #331897

1 2 4 11 19 22 38 44 76 209 397 418 794 836 1,588 4,367 7,543 8,734 15,086 17,468 30,172 82,973 165,946 331,892

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

331,892 165,946 82,973 248,920 124,460 62,230 31,115 93,346 46,673 140,020 70,010 35,005 105,016 52,508 26,254 13,127 39,382 19,691 59,074 29,537 88,612 44,306 22,153 66,460 33,230 16,615 49,846 24,923 74,770 37,385 112,156 56,078 28,039 84,118 42,059 126,178 63,089 189,268 94,634 47,317 141,952 70,976 35,488 17,744 8,872 4,436 2,218 1,109 3,328 1,664 832 416 208 104 52 26 13 40 20 10

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