2 × 3² × 43 × 509

Prime Factor Structure

Factorization String 2 × 3^2 × 43 × 509

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 875,160

Proper Divisor Sum 481,194

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #393961 ← → #393977

1 2 3 6 9 18 43 86 129 258 387 509 774 1,018 1,527 3,054 4,581 9,162 21,887 43,774 65,661 131,322 196,983 393,966

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

393,966 196,983 590,950 295,475 886,426 443,213 1,329,640 664,820 332,410 166,205 498,616 249,308 124,654 62,327 186,982 93,491 280,474 140,237 420,712 210,356 105,178 52,589 157,768 78,884 39,442 19,721 59,164 29,582 14,791 44,374 22,187 66,562 33,281 99,844 49,922 24,961 74,884 37,442 18,721 56,164 28,082 14,041 42,124 21,062 10,531 31,594 15,797 47,392 23,696 11,848 5,924 2,962 1,481 4,444 2,222 1,111 3,334 1,667 5,002 2,501

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