13 × 29 × 31 × 61

Prime Factor Structure

Factorization String 13 × 29 × 31 × 61

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 833,280

Proper Divisor Sum 120,373

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #712891 ← → #712909

1 13 29 31 61 377 403 793 899 1,769 1,891 11,687 22,997 24,583 54,839 712,907

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

712,907 2,138,722 1,069,361 3,208,084 1,604,042 802,021 2,406,064 1,203,032 601,516 300,758 150,379 451,138 225,569 676,708 338,354 169,177 507,532 253,766 126,883 380,650 190,325 570,976 285,488 142,744 71,372 35,686 17,843 53,530 26,765 80,296 40,148 20,074 10,037 30,112 15,056 7,528 3,764 1,882 941 2,824 1,412 706 353 1,060 530 265 796 398 199 598 299 898 449 1,348 674 337 1,012 506 253 760

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