213,920

2⁵ × 5 × 7 × 191

Prime Factor Structure

Factorization String 2^5 × 5 × 7 × 191

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 48

Divisor Sum (σ) 580,608

Proper Divisor Sum 366,688

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #213919 ← → #213929

1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 191 224 280 382 560 764 955 1,120 1,337 1,528 1,910 2,674 3,056 3,820 5,348 6,112 6,685 7,640 10,696 13,370 15,280 21,392 26,740 30,560 42,784 53,480 106,960 213,920

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

213,920 106,960 53,480 26,740 13,370 6,685 20,056 10,028 5,014 2,507 7,522 3,761 11,284 5,642 2,821 8,464 4,232 2,116 1,058 529 1,588 794 397 1,192 596 298 149 448 224 112 56 28 14 7 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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