2² × 7² × 2657

Prime Factor Structure

Factorization String 2^2 × 7^2 × 2657

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 1,060,542

Proper Divisor Sum 539,770

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #520763 ← → #520787

1 2 4 7 14 28 49 98 196 2,657 5,314 10,628 18,599 37,198 74,396 130,193 260,386 520,772

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

520,772 260,386 130,193 390,580 195,290 97,645 292,936 146,468 73,234 36,617 109,852 54,926 27,463 82,390 41,195 123,586 61,793 185,380 92,690 46,345 139,036 69,518 34,759 104,278 52,139 156,418 78,209 234,628 117,314 58,657 175,972 87,986 43,993 131,980 65,990 32,995 98,986 49,493 148,480 74,240 37,120 18,560 9,280 4,640 2,320 1,160 580 290 145 436 218 109 328 164 82 41 124 62 31 94

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