2⁴ × 5 × 13 × 211

Prime Factor Structure

Factorization String 2^4 × 5 × 13 × 211

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 40

Divisor Sum (σ) 552,048

Proper Divisor Sum 332,608

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #219437 ← → #219451

1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 211 260 422 520 844 1,040 1,055 1,688 2,110 2,743 3,376 4,220 5,486 8,440 10,972 13,715 16,880 21,944 27,430 43,888 54,860 109,720 219,440

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

219,440 109,720 54,860 27,430 13,715 41,146 20,573 61,720 30,860 15,430 7,715 23,146 11,573 34,720 17,360 8,680 4,340 2,170 1,085 3,256 1,628 814 407 1,222 611 1,834 917 2,752 1,376 688 344 172 86 43 130 65 196 98 49 148 74 37 112 56 28 14 7 22 11 34 17 52 26 13 40 20 10 5 16 8

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