2² × 5 × 7² × 13 × 31

Prime Factor Structure

Factorization String 2^2 × 5 × 7^2 × 13 × 31

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 72

Divisor Sum (σ) 1,072,512

Proper Divisor Sum 677,572

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #394931 ← → #394943

1 2 4 5 7 10 13 14 20 26 28 31 35 49 52 62 65 70 91 98 124 130 140 155 182 196 217 245 260 310 364 403 434 455 490 620 637 806 868 910 980 1,085 1,274 1,519 1,612 1,820 2,015 2,170 2,548 2,821 3,038 3,185 4,030 4,340 5,642 6,076 6,370 7,595 8,060 11,284

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

394,940 197,470 98,735 296,206 148,103 444,310 222,155 666,466 333,233 999,700 499,850 249,925 749,776 374,888 187,444 93,722 46,861 140,584 70,292 35,146 17,573 52,720 26,360 13,180 6,590 3,295 9,886 4,943 14,830 7,415 22,246 11,123 33,370 16,685 50,056 25,028 12,514 6,257 18,772 9,386 4,693 14,080 7,040 3,520 1,760 880 440 220 110 55 166 83 250 125 376 188 94 47 142 71

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