2 × 13 × 31 × 653

Prime Factor Structure

Factorization String 2 × 13 × 31 × 653

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 878,976

Proper Divisor Sum 352,658

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #526307 ← → #526367

1 2 13 26 31 62 403 653 806 1,306 8,489 16,978 20,243 40,486 263,159 526,318

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

526,318 263,159 789,478 394,739 1,184,218 592,109 1,776,328 888,164 444,082 222,041 666,124 333,062 166,531 499,594 249,797 749,392 374,696 187,348 93,674 46,837 140,512 70,256 35,128 17,564 8,782 4,391 13,174 6,587 19,762 9,881 29,644 14,822 7,411 22,234 11,117 33,352 16,676 8,338 4,169 12,508 6,254 3,127 9,382 4,691 14,074 7,037 21,112 10,556 5,278 2,639 7,918 3,959 11,878 5,939 17,818 8,909 26,728 13,364 6,682 3,341

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