3² × 13 × 29 × 61

Prime Factor Structure

Factorization String 3^2 × 13 × 29 × 61

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 338,520

Proper Divisor Sum 131,547

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #206953 ← → #206993

1 3 9 13 29 39 61 87 117 183 261 377 549 793 1,131 1,769 2,379 3,393 5,307 7,137 15,921 22,997 68,991 206,973

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

206,973 620,920 310,460 155,230 77,615 232,846 116,423 349,270 174,635 523,906 261,953 785,860 392,930 196,465 589,396 294,698 147,349 442,048 221,024 110,512 55,256 27,628 13,814 6,907 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

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