2² × 5 × 11 × 43²

Prime Factor Structure

Factorization String 2^2 × 5 × 11 × 43^2

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 954,072

Proper Divisor Sum 547,292

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #406739 ← → #406789

1 2 4 5 10 11 20 22 43 44 55 86 110 172 215 220 430 473 860 946 1,849 1,892 2,365 3,698 4,730 7,396 9,245 9,460 18,490 20,339 36,980 40,678 81,356 101,695 203,390 406,780

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

406,780 203,390 101,695 305,086 152,543 457,630 228,815 686,446 343,223 1,029,670 514,835 1,544,506 772,253 2,316,760 1,158,380 579,190 289,595 868,786 434,393 1,303,180 651,590 325,795 977,386 488,693 1,466,080 733,040 366,520 183,260 91,630 45,815 137,446 68,723 206,170 103,085 309,256 154,628 77,314 38,657 115,972 57,986 28,993 86,980 43,490 21,745 65,236 32,618 16,309 48,928 24,464 12,232 6,116 3,058 1,529 4,588 2,294 1,147 3,442 1,721 5,164 2,582

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