3² × 7 × 13043

Prime Factor Structure

Factorization String 3^2 × 7 × 13043

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 1,356,576

Proper Divisor Sum 534,867

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #821677 ← → #821741

1 3 7 9 21 63 13,043 39,129 91,301 117,387 273,903 821,709

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

821,709 2,465,128 1,232,564 616,282 308,141 924,424 462,212 231,106 115,553 346,660 173,330 86,665 259,996 129,998 64,999 194,998 97,499 292,498 146,249 438,748 219,374 109,687 329,062 164,531 493,594 246,797 740,392 370,196 185,098 92,549 277,648 138,824 69,412 34,706 17,353 52,060 26,030 13,015 39,046 19,523 58,570 29,285 87,856 43,928 21,964 10,982 5,491 16,474 8,237 24,712 12,356 6,178 3,089 9,268 4,634 2,317 6,952 3,476 1,738 869

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