3 × 19² × 139

Prime Factor Structure

Factorization String 3 × 19^2 × 139

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 213,360

Proper Divisor Sum 62,823

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #150533 ← → #150551

1 3 19 57 139 361 417 1,083 2,641 7,923 50,179 150,537

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

150,537 451,612 225,806 112,903 338,710 169,355 508,066 254,033 762,100 381,050 190,525 571,576 285,788 142,894 71,447 214,342 107,171 321,514 160,757 482,272 241,136 120,568 60,284 30,142 15,071 45,214 22,607 67,822 33,911 101,734 50,867 152,602 76,301 228,904 114,452 57,226 28,613 85,840 42,920 21,460 10,730 5,365 16,096 8,048 4,024 2,012 1,006 503 1,510 755 2,266 1,133 3,400 1,700 850 425 1,276 638 319 958

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