3² × 13 × 2239

Prime Factor Structure

Factorization String 3^2 × 13 × 2239

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 407,680

Proper Divisor Sum 145,717

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #261959 ← → #261971

1 3 9 13 39 117 2,239 6,717 20,151 29,107 87,321 261,963

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

261,963 785,890 392,945 1,178,836 589,418 294,709 884,128 442,064 221,032 110,516 55,258 27,629 82,888 41,444 20,722 10,361 31,084 15,542 7,771 23,314 11,657 34,972 17,486 8,743 26,230 13,115 39,346 19,673 59,020 29,510 14,755 44,266 22,133 66,400 33,200 16,600 8,300 4,150 2,075 6,226 3,113 9,340 4,670 2,335 7,006 3,503 10,510 5,255 15,766 7,883 23,650 11,825 35,476 17,738 8,869 26,608 13,304 6,652 3,326 1,663

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