2² × 3² × 5 × 173

Prime Factor Structure

Factorization String 2^2 × 3^2 × 5 × 173

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 95,004

Proper Divisor Sum 63,864

Digit Sum / Digital Root 9 (Root: 9)

Adjacent Primes #31139 ← → #31147

1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 173 180 346 519 692 865 1,038 1,557 1,730 2,076 2,595 3,114 3,460 5,190 6,228 7,785 10,380 15,570 31,140

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

31,140 15,570 7,785 23,356 11,678 5,839 17,518 8,759 26,278 13,139 39,418 19,709 59,128 29,564 14,782 7,391 22,174 11,087 33,262 16,631 49,894 24,947 74,842 37,421 112,264 56,132 28,066 14,033 42,100 21,050 10,525 31,576 15,788 7,894 3,947 11,842 5,921 17,764 8,882 4,441 13,324 6,662 3,331 9,994 4,997 14,992 7,496 3,748 1,874 937 2,812 1,406 703 2,110 1,055 3,166 1,583 4,750 2,375 7,126

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