2³ × 5 × 69143

Prime Factor Structure

Factorization String 2^3 × 5 × 69143

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 6,222,960

Proper Divisor Sum 3,457,240

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #2765689 ← → #2765731

1 2 4 5 8 10 20 40 69,143 138,286 276,572 345,715 553,144 691,430 1,382,860 2,765,720

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

2,765,720 1,382,860 691,430 345,715 1,037,146 518,573 1,555,720 777,860 388,930 194,465 583,396 291,698 145,849 437,548 218,774 109,387 328,162 164,081 492,244 246,122 123,061 369,184 184,592 92,296 46,148 23,074 11,537 34,612 17,306 8,653 25,960 12,980 6,490 3,245 9,736 4,868 2,434 1,217 3,652 1,826 913 2,740 1,370 685 2,056 1,028 514 257 772 386 193 580 290 145 436 218 109 328 164 82

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