13 × 31 × 1217

Prime Factor Structure

Factorization String 13 × 31 × 1217

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 545,664

Proper Divisor Sum 55,213

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #490421 ← → #490453

1 13 31 403 1,217 15,821 37,727 490,451

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

490,451 1,471,354 735,677 2,207,032 1,103,516 551,758 275,879 827,638 413,819 1,241,458 620,729 1,862,188 931,094 465,547 1,396,642 698,321 2,094,964 1,047,482 523,741 1,571,224 785,612 392,806 196,403 589,210 294,605 883,816 441,908 220,954 110,477 331,432 165,716 82,858 41,429 124,288 62,144 31,072 15,536 7,768 3,884 1,942 971 2,914 1,457 4,372 2,186 1,093 3,280 1,640 820 410 205 616 308 154 77 232 116 58 29 88

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