3 × 7 × 10009

Prime Factor Structure

Factorization String 3 × 7 × 10009

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 320,320

Proper Divisor Sum 110,131

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #210187 ← → #210191

1 3 7 21 10,009 30,027 70,063 210,189

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

210,189 630,568 315,284 157,642 78,821 236,464 118,232 59,116 29,558 14,779 44,338 22,169 66,508 33,254 16,627 49,882 24,941 74,824 37,412 18,706 9,353 28,060 14,030 7,015 21,046 10,523 31,570 15,785 47,356 23,678 11,839 35,518 17,759 53,278 26,639 79,918 39,959 119,878 59,939 179,818 89,909 269,728 134,864 67,432 33,716 16,858 8,429 25,288 12,644 6,322 3,161 9,484 4,742 2,371 7,114 3,557 10,672 5,336 2,668 1,334

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