2⁴ × 5 × 43 × 191

Prime Factor Structure

Factorization String 2^4 × 5 × 43 × 191

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 40

Divisor Sum (σ) 1,571,328

Proper Divisor Sum 914,288

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #657029 ← → #657047

1 2 4 5 8 10 16 20 40 43 80 86 172 191 215 344 382 430 688 764 860 955 1,528 1,720 1,910 3,056 3,440 3,820 7,640 8,213 15,280 16,426 32,852 41,065 65,704 82,130 131,408 164,260 328,520 657,040

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

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