13 × 17 × 53²

Prime Factor Structure

Factorization String 13 × 17 × 53^2

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 721,476

Proper Divisor Sum 100,687

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #620777 ← → #620813

1 13 17 53 221 689 901 2,809 11,713 36,517 47,753 620,789

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

620,789 1,862,368 931,184 465,592 232,796 116,398 58,199 174,598 87,299 261,898 130,949 392,848 196,424 98,212 49,106 24,553 73,660 36,830 18,415 55,246 27,623 82,870 41,435 124,306 62,153 186,460 93,230 46,615 139,846 69,923 209,770 104,885 314,656 157,328 78,664 39,332 19,666 9,833 29,500 14,750 7,375 22,126 11,063 33,190 16,595 49,786 24,893 74,680 37,340 18,670 9,335 28,006 14,003 42,010 21,005 63,016 31,508 15,754 7,877 23,632

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