157 × 4397

Prime Factor Structure

Factorization String 157 × 4397

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 694,884

Proper Divisor Sum 4,555

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #690323 ← → #690341

1 157 4,397 690,329

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

690,329 2,070,988 1,035,494 517,747 1,553,242 776,621 2,329,864 1,164,932 582,466 291,233 873,700 436,850 218,425 655,276 327,638 163,819 491,458 245,729 737,188 368,594 184,297 552,892 276,446 138,223 414,670 207,335 622,006 311,003 933,010 466,505 1,399,516 699,758 349,879 1,049,638 524,819 1,574,458 787,229 2,361,688 1,180,844 590,422 295,211 885,634 442,817 1,328,452 664,226 332,113 996,340 498,170 249,085 747,256 373,628 186,814 93,407 280,222 140,111 420,334 210,167 630,502 315,251 945,754

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