5² × 13² × 139

Prime Factor Structure

Factorization String 5^2 × 13^2 × 139

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 794,220

Proper Divisor Sum 206,945

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #587269 ← → #587281

1 5 13 25 65 139 169 325 695 845 1,807 3,475 4,225 9,035 23,491 45,175 117,455 587,275

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

587,275 1,761,826 880,913 2,642,740 1,321,370 660,685 1,982,056 991,028 495,514 247,757 743,272 371,636 185,818 92,909 278,728 139,364 69,682 34,841 104,524 52,262 26,131 78,394 39,197 117,592 58,796 29,398 14,699 44,098 22,049 66,148 33,074 16,537 49,612 24,806 12,403 37,210 18,605 55,816 27,908 13,954 6,977 20,932 10,466 5,233 15,700 7,850 3,925 11,776 5,888 2,944 1,472 736 368 184 92 46 23 70 35 106

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