3² × 7 × 19 × 167

Prime Factor Structure

Factorization String 3^2 × 7 × 19 × 167

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 349,440

Proper Divisor Sum 149,541

Digit Sum / Digital Root 45 (Root: 9)

Adjacent Primes #199889 ← → #199909

1 3 7 9 19 21 57 63 133 167 171 399 501 1,169 1,197 1,503 3,173 3,507 9,519 10,521 22,211 28,557 66,633 199,899

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

199,899 599,698 299,849 899,548 449,774 224,887 674,662 337,331 1,011,994 505,997 1,517,992 758,996 379,498 189,749 569,248 284,624 142,312 71,156 35,578 17,789 53,368 26,684 13,342 6,671 20,014 10,007 30,022 15,011 45,034 22,517 67,552 33,776 16,888 8,444 4,222 2,111 6,334 3,167 9,502 4,751 14,254 7,127 21,382 10,691 32,074 16,037 48,112 24,056 12,028 6,014 3,007 9,022 4,511 13,534 6,767 20,302 10,151 30,454 15,227 45,682

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