2 × 3² × 21499

Prime Factor Structure

Factorization String 2 × 3^2 × 21499

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 838,500

Proper Divisor Sum 451,518

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #386977 ← → #386987

1 2 3 6 9 18 21,499 42,998 64,497 128,994 193,491 386,982

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

386,982 193,491 580,474 290,237 870,712 435,356 217,678 108,839 326,518 163,259 489,778 244,889 734,668 367,334 183,667 551,002 275,501 826,504 413,252 206,626 103,313 309,940 154,970 77,485 232,456 116,228 58,114 29,057 87,172 43,586 21,793 65,380 32,690 16,345 49,036 24,518 12,259 36,778 18,389 55,168 27,584 13,792 6,896 3,448 1,724 862 431 1,294 647 1,942 971 2,914 1,457 4,372 2,186 1,093 3,280 1,640 820 410

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