2² × 5² × 1399

Prime Factor Structure

Factorization String 2^2 × 5^2 × 1399

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 303,800

Proper Divisor Sum 163,900

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #139891 ← → #139901

1 2 4 5 10 20 25 50 100 1,399 2,798 5,596 6,995 13,990 27,980 34,975 69,950 139,900

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

139,900 69,950 34,975 104,926 52,463 157,390 78,695 236,086 118,043 354,130 177,065 531,196 265,598 132,799 398,398 199,199 597,598 298,799 896,398 448,199 1,344,598 672,299 2,016,898 1,008,449 3,025,348 1,512,674 756,337 2,269,012 1,134,506 567,253 1,701,760 850,880 425,440 212,720 106,360 53,180 26,590 13,295 39,886 19,943 59,830 29,915 89,746 44,873 134,620 67,310 33,655 100,966 50,483 151,450 75,725 227,176 113,588 56,794 28,397 85,192 42,596 21,298 10,649 31,948

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