2² × 5387

Prime Factor Structure

Factorization String 2^2 × 5387

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 37,716

Proper Divisor Sum 16,168

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #21529 ← → #21557

1 2 4 5,387 10,774 21,548

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

21,548 10,774 5,387 16,162 8,081 24,244 12,122 6,061 18,184 9,092 4,546 2,273 6,820 3,410 1,705 5,116 2,558 1,279 3,838 1,919 5,758 2,879 8,638 4,319 12,958 6,479 19,438 9,719 29,158 14,579 43,738 21,869 65,608 32,804 16,402 8,201 24,604 12,302 6,151 18,454 9,227 27,682 13,841 41,524 20,762 10,381 31,144 15,572 7,786 3,893 11,680 5,840 2,920 1,460 730 365 1,096 548 274 137

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