2² × 5 × 1279

Prime Factor Structure

Factorization String 2^2 × 5 × 1279

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 53,760

Proper Divisor Sum 28,180

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #25579 ← → #25583

1 2 4 5 10 20 1,279 2,558 5,116 6,395 12,790 25,580

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

25,580 12,790 6,395 19,186 9,593 28,780 14,390 7,195 21,586 10,793 32,380 16,190 8,095 24,286 12,143 36,430 18,215 54,646 27,323 81,970 40,985 122,956 61,478 30,739 92,218 46,109 138,328 69,164 34,582 17,291 51,874 25,937 77,812 38,906 19,453 58,360 29,180 14,590 7,295 21,886 10,943 32,830 16,415 49,246 24,623 73,870 36,935 110,806 55,403 166,210 83,105 249,316 124,658 62,329 186,988 93,494 46,747 140,242 70,121 210,364

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