3² × 43 × 73

Prime Factor Structure

Factorization String 3^2 × 43 × 73

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 42,328

Proper Divisor Sum 14,077

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #28229 ← → #28277

1 3 9 43 73 129 219 387 657 3,139 9,417 28,251

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

28,251 84,754 42,377 127,132 63,566 31,783 95,350 47,675 143,026 71,513 214,540 107,270 53,635 160,906 80,453 241,360 120,680 60,340 30,170 15,085 45,256 22,628 11,314 5,657 16,972 8,486 4,243 12,730 6,365 19,096 9,548 4,774 2,387 7,162 3,581 10,744 5,372 2,686 1,343 4,030 2,015 6,046 3,023 9,070 4,535 13,606 6,803 20,410 10,205 30,616 15,308 7,654 3,827 11,482 5,741 17,224 8,612 4,306 2,153 6,460

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