21393571

Prime Factor Structure

Factorization String 21393571

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 21,393,572

Proper Divisor Sum 1

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #21393557 ← → #21393583

1 21,393,571

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

21,393,571 64,180,714 32,090,357 96,271,072 48,135,536 24,067,768 12,033,884 6,016,942 3,008,471 9,025,414 4,512,707 13,538,122 6,769,061 20,307,184 10,153,592 5,076,796 2,538,398 1,269,199 3,807,598 1,903,799 5,711,398 2,855,699 8,567,098 4,283,549 12,850,648 6,425,324 3,212,662 1,606,331 4,818,994 2,409,497 7,228,492 3,614,246 1,807,123 5,421,370 2,710,685 8,132,056 4,066,028 2,033,014 1,016,507 3,049,522 1,524,761 4,574,284 2,287,142 1,143,571 3,430,714 1,715,357 5,146,072 2,573,036 1,286,518 643,259 1,929,778 964,889 2,894,668 1,447,334 723,667 2,171,002 1,085,501 3,256,504 1,628,252 814,126

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