2⁴ × 5² × 397

Prime Factor Structure

Factorization String 2^4 × 5^2 × 397

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 30

Divisor Sum (σ) 382,478

Proper Divisor Sum 223,678

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #158791 ← → #158803

1 2 4 5 8 10 16 20 25 40 50 80 100 200 397 400 794 1,588 1,985 3,176 3,970 6,352 7,940 9,925 15,880 19,850 31,760 39,700 79,400 158,800

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

158,800 79,400 39,700 19,850 9,925 29,776 14,888 7,444 3,722 1,861 5,584 2,792 1,396 698 349 1,048 524 262 131 394 197 592 296 148 74 37 112 56 28 14 7 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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