5 × 17 × 31 × 491

Prime Factor Structure

Factorization String 5 × 17 × 31 × 491

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,700,352

Proper Divisor Sum 406,567

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #1293763 ← → #1293791

1 5 17 31 85 155 491 527 2,455 2,635 8,347 15,221 41,735 76,105 258,757 1,293,785

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

1,293,785 3,881,356 1,940,678 970,339 2,911,018 1,455,509 4,366,528 2,183,264 1,091,632 545,816 272,908 136,454 68,227 204,682 102,341 307,024 153,512 76,756 38,378 19,189 57,568 28,784 14,392 7,196 3,598 1,799 5,398 2,699 8,098 4,049 12,148 6,074 3,037 9,112 4,556 2,278 1,139 3,418 1,709 5,128 2,564 1,282 641 1,924 962 481 1,444 722 361 1,084 542 271 814 407 1,222 611 1,834 917 2,752 1,376

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