21391949

Prime Factor Structure

Factorization String 21391949

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 21,391,950

Proper Divisor Sum 1

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #21391939 ← → #21391987

1 21,391,949

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

21,391,949 64,175,848 32,087,924 16,043,962 8,021,981 24,065,944 12,032,972 6,016,486 3,008,243 9,024,730 4,512,365 13,537,096 6,768,548 3,384,274 1,692,137 5,076,412 2,538,206 1,269,103 3,807,310 1,903,655 5,710,966 2,855,483 8,566,450 4,283,225 12,849,676 6,424,838 3,212,419 9,637,258 4,818,629 14,455,888 7,227,944 3,613,972 1,806,986 903,493 2,710,480 1,355,240 677,620 338,810 169,405 508,216 254,108 127,054 63,527 190,582 95,291 285,874 142,937 428,812 214,406 107,203 321,610 160,805 482,416 241,208 120,604 60,302 30,151 90,454 45,227 135,682

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