5² × 31 × 521

Prime Factor Structure

Factorization String 5^2 × 31 × 521

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 517,824

Proper Divisor Sum 114,049

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #403757 ← → #403783

1 5 25 31 155 521 775 2,605 13,025 16,151 80,755 403,775

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

403,775 1,211,326 605,663 1,816,990 908,495 2,725,486 1,362,743 4,088,230 2,044,115 6,132,346 3,066,173 9,198,520 4,599,260 2,299,630 1,149,815 3,449,446 1,724,723 5,174,170 2,587,085 7,761,256 3,880,628 1,940,314 970,157 2,910,472 1,455,236 727,618 363,809 1,091,428 545,714 272,857 818,572 409,286 204,643 613,930 306,965 920,896 460,448 230,224 115,112 57,556 28,778 14,389 43,168 21,584 10,792 5,396 2,698 1,349 4,048 2,024 1,012 506 253 760 380 190 95 286 143 430

Other feeder batches with open delivery windows. Each feeder keeps its own target batch.