3² × 7 × 3461

Prime Factor Structure

Factorization String 3^2 × 7 × 3461

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 360,048

Proper Divisor Sum 142,005

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #218021 ← → #218047

1 3 7 9 21 63 3,461 10,383 24,227 31,149 72,681 218,043

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

218,043 654,130 327,065 981,196 490,598 245,299 735,898 367,949 1,103,848 551,924 275,962 137,981 413,944 206,972 103,486 51,743 155,230 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

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