2 × 5 × 13 × 4723

Prime Factor Structure

Factorization String 2 × 5 × 13 × 4723

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,190,448

Proper Divisor Sum 576,458

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #613981 ← → #613993

1 2 5 10 13 26 65 130 4,723 9,446 23,615 47,230 61,399 122,798 306,995 613,990

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

613,990 306,995 920,986 460,493 1,381,480 690,740 345,370 172,685 518,056 259,028 129,514 64,757 194,272 97,136 48,568 24,284 12,142 6,071 18,214 9,107 27,322 13,661 40,984 20,492 10,246 5,123 15,370 7,685 23,056 11,528 5,764 2,882 1,441 4,324 2,162 1,081 3,244 1,622 811 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

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