2² × 5 × 6563

Prime Factor Structure

Factorization String 2^2 × 5 × 6563

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 275,688

Proper Divisor Sum 144,428

Digit Sum / Digital Root 13 (Root: 4)

Adjacent Primes #131251 ← → #131267

1 2 4 5 10 20 6,563 13,126 26,252 32,815 65,630 131,260

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

131,260 65,630 32,815 98,446 49,223 147,670 73,835 221,506 110,753 332,260 166,130 83,065 249,196 124,598 62,299 186,898 93,449 280,348 140,174 70,087 210,262 105,131 315,394 157,697 473,092 236,546 118,273 354,820 177,410 88,705 266,116 133,058 66,529 199,588 99,794 49,897 149,692 74,846 37,423 112,270 56,135 168,406 84,203 252,610 126,305 378,916 189,458 94,729 284,188 142,094 71,047 213,142 106,571 319,714 159,857 479,572 239,786 119,893 359,680 179,840

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