257 × 17971

Prime Factor Structure

Factorization String 257 × 17971

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 4,636,776

Proper Divisor Sum 18,229

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #4618541 ← → #4618567

1 257 17,971 4,618,547

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

4,618,547 13,855,642 6,927,821 20,783,464 10,391,732 5,195,866 2,597,933 7,793,800 3,896,900 1,948,450 974,225 2,922,676 1,461,338 730,669 2,192,008 1,096,004 548,002 274,001 822,004 411,002 205,501 616,504 308,252 154,126 77,063 231,190 115,595 346,786 173,393 520,180 260,090 130,045 390,136 195,068 97,534 48,767 146,302 73,151 219,454 109,727 329,182 164,591 493,774 246,887 740,662 370,331 1,110,994 555,497 1,666,492 833,246 416,623 1,249,870 624,935 1,874,806 937,403 2,812,210 1,406,105 4,218,316 2,109,158 1,054,579

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