2³ × 5² × 1291

Prime Factor Structure

Factorization String 2^3 × 5^2 × 1291

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 600,780

Proper Divisor Sum 342,580

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #258197 ← → #258211

1 2 4 5 8 10 20 25 40 50 100 200 1,291 2,582 5,164 6,455 10,328 12,910 25,820 32,275 51,640 64,550 129,100 258,200

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

258,200 129,100 64,550 32,275 96,826 48,413 145,240 72,620 36,310 18,155 54,466 27,233 81,700 40,850 20,425 61,276 30,638 15,319 45,958 22,979 68,938 34,469 103,408 51,704 25,852 12,926 6,463 19,390 9,695 29,086 14,543 43,630 21,815 65,446 32,723 98,170 49,085 147,256 73,628 36,814 18,407 55,222 27,611 82,834 41,417 124,252 62,126 31,063 93,190 46,595 139,786 69,893 209,680 104,840 52,420 26,210 13,105 39,316 19,658 9,829

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