5 × 13³ × 61

Prime Factor Structure

Factorization String 5 × 13^3 × 61

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 885,360

Proper Divisor Sum 215,275

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #670051 ← → #670097

1 5 13 61 65 169 305 793 845 2,197 3,965 10,309 10,985 51,545 134,017 670,085

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

670,085 2,010,256 1,005,128 502,564 251,282 125,641 376,924 188,462 94,231 282,694 141,347 424,042 212,021 636,064 318,032 159,016 79,508 39,754 19,877 59,632 29,816 14,908 7,454 3,727 11,182 5,591 16,774 8,387 25,162 12,581 37,744 18,872 9,436 4,718 2,359 7,078 3,539 10,618 5,309 15,928 7,964 3,982 1,991 5,974 2,987 8,962 4,481 13,444 6,722 3,361 10,084 5,042 2,521 7,564 3,782 1,891 5,674 2,837 8,512 4,256

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