13 × 321397

Prime Factor Structure

Factorization String 13 × 321397

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 4,499,572

Proper Divisor Sum 321,411

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #4178131 ← → #4178171

1 13 321,397 4,178,161

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

4,178,161 12,534,484 6,267,242 3,133,621 9,400,864 4,700,432 2,350,216 1,175,108 587,554 293,777 881,332 440,666 220,333 661,000 330,500 165,250 82,625 247,876 123,938 61,969 185,908 92,954 46,477 139,432 69,716 34,858 17,429 52,288 26,144 13,072 6,536 3,268 1,634 817 2,452 1,226 613 1,840 920 460 230 115 346 173 520 260 130 65 196 98 49 148 74 37 112 56 28 14 7 22

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