2 × 13 × 131 × 197

Prime Factor Structure

Factorization String 2 × 13 × 131 × 197

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,097,712

Proper Divisor Sum 426,730

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #670963 ← → #670987

1 2 13 26 131 197 262 394 1,703 2,561 3,406 5,122 25,807 51,614 335,491 670,982

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

670,982 335,491 1,006,474 503,237 1,509,712 754,856 377,428 188,714 94,357 283,072 141,536 70,768 35,384 17,692 8,846 4,423 13,270 6,635 19,906 9,953 29,860 14,930 7,465 22,396 11,198 5,599 16,798 8,399 25,198 12,599 37,798 18,899 56,698 28,349 85,048 42,524 21,262 10,631 31,894 15,947 47,842 23,921 71,764 35,882 17,941 53,824 26,912 13,456 6,728 3,364 1,682 841 2,524 1,262 631 1,894 947 2,842 1,421 4,264

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