2 × 5 × 11² × 17 × 19

Prime Factor Structure

Factorization String 2 × 5 × 11^2 × 17 × 19

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 861,840

Proper Divisor Sum 471,010

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #390829 ← → #390851

1 2 5 10 11 17 19 22 34 38 55 85 95 110 121 170 187 190 209 242 323 374 418 605 646 935 1,045 1,210 1,615 1,870 2,057 2,090 2,299 3,230 3,553 4,114 4,598 7,106 10,285 11,495 17,765 20,570 22,990 35,530 39,083 78,166 195,415 390,830

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

390,830 195,415 586,246 293,123 879,370 439,685 1,319,056 659,528 329,764 164,882 82,441 247,324 123,662 61,831 185,494 92,747 278,242 139,121 417,364 208,682 104,341 313,024 156,512 78,256 39,128 19,564 9,782 4,891 14,674 7,337 22,012 11,006 5,503 16,510 8,255 24,766 12,383 37,150 18,575 55,726 27,863 83,590 41,795 125,386 62,693 188,080 94,040 47,020 23,510 11,755 35,266 17,633 52,900 26,450 13,225 39,676 19,838 9,919 29,758 14,879

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