2 × 5 × 21499

Prime Factor Structure

Factorization String 2 × 5 × 21499

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 387,000

Proper Divisor Sum 172,010

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #214987 ← → #214993

1 2 5 10 21,499 42,998 107,495 214,990

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

214,990 107,495 322,486 161,243 483,730 241,865 725,596 362,798 181,399 544,198 272,099 816,298 408,149 1,224,448 612,224 306,112 153,056 76,528 38,264 19,132 9,566 4,783 14,350 7,175 21,526 10,763 32,290 16,145 48,436 24,218 12,109 36,328 18,164 9,082 4,541 13,624 6,812 3,406 1,703 5,110 2,555 7,666 3,833 11,500 5,750 2,875 8,626 4,313 12,940 6,470 3,235 9,706 4,853 14,560 7,280 3,640 1,820 910 455 1,366

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