3 × 7² × 193

Prime Factor Structure

Factorization String 3 × 7^2 × 193

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 44,232

Proper Divisor Sum 15,861

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #28351 ← → #28387

1 3 7 21 49 147 193 579 1,351 4,053 9,457 28,371

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

28,371 85,114 42,557 127,672 63,836 31,918 15,959 47,878 23,939 71,818 35,909 107,728 53,864 26,932 13,466 6,733 20,200 10,100 5,050 2,525 7,576 3,788 1,894 947 2,842 1,421 4,264 2,132 1,066 533 1,600 800 400 200 100 50 25 76 38 19 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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