3 × 5² × 17 × 313

Prime Factor Structure

Factorization String 3 × 5^2 × 17 × 313

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 700,848

Proper Divisor Sum 301,773

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #399071 ← → #399079

1 3 5 15 17 25 51 75 85 255 313 425 939 1,275 1,565 4,695 5,321 7,825 15,963 23,475 26,605 79,815 133,025 399,075

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

399,075 1,197,226 598,613 1,795,840 897,920 448,960 224,480 112,240 56,120 28,060 14,030 7,015 21,046 10,523 31,570 15,785 47,356 23,678 11,839 35,518 17,759 53,278 26,639 79,918 39,959 119,878 59,939 179,818 89,909 269,728 134,864 67,432 33,716 16,858 8,429 25,288 12,644 6,322 3,161 9,484 4,742 2,371 7,114 3,557 10,672 5,336 2,668 1,334 667 2,002 1,001 3,004 1,502 751 2,254 1,127 3,382 1,691 5,074 2,537

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