2 × 5 × 13 × 1213

Prime Factor Structure

Factorization String 2 × 5 × 13 × 1213

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 305,928

Proper Divisor Sum 148,238

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #157679 ← → #157721

1 2 5 10 13 26 65 130 1,213 2,426 6,065 12,130 15,769 31,538 78,845 157,690

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

157,690 78,845 236,536 118,268 59,134 29,567 88,702 44,351 133,054 66,527 199,582 99,791 299,374 149,687 449,062 224,531 673,594 336,797 1,010,392 505,196 252,598 126,299 378,898 189,449 568,348 284,174 142,087 426,262 213,131 639,394 319,697 959,092 479,546 239,773 719,320 359,660 179,830 89,915 269,746 134,873 404,620 202,310 101,155 303,466 151,733 455,200 227,600 113,800 56,900 28,450 14,225 42,676 21,338 10,669 32,008 16,004 8,002 4,001 12,004 6,002

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