391009

Prime Factor Structure

Factorization String 391009

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 391,010

Proper Divisor Sum 1

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #390991 ← → #391019

1 391,009

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

391,009 1,173,028 586,514 293,257 879,772 439,886 219,943 659,830 329,915 989,746 494,873 1,484,620 742,310 371,155 1,113,466 556,733 1,670,200 835,100 417,550 208,775 626,326 313,163 939,490 469,745 1,409,236 704,618 352,309 1,056,928 528,464 264,232 132,116 66,058 33,029 99,088 49,544 24,772 12,386 6,193 18,580 9,290 4,645 13,936 6,968 3,484 1,742 871 2,614 1,307 3,922 1,961 5,884 2,942 1,471 4,414 2,207 6,622 3,311 9,934 4,967 14,902

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