3 × 5² × 31 × 137

Prime Factor Structure

Factorization String 3 × 5^2 × 31 × 137

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 547,584

Proper Divisor Sum 229,059

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #318523 ← → #318557

1 3 5 15 25 31 75 93 137 155 411 465 685 775 2,055 2,325 3,425 4,247 10,275 12,741 21,235 63,705 106,175 318,525

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

318,525 955,576 477,788 238,894 119,447 358,342 179,171 537,514 268,757 806,272 403,136 201,568 100,784 50,392 25,196 12,598 6,299 18,898 9,449 28,348 14,174 7,087 21,262 10,631 31,894 15,947 47,842 23,921 71,764 35,882 17,941 53,824 26,912 13,456 6,728 3,364 1,682 841 2,524 1,262 631 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

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