3² × 7 × 2161

Prime Factor Structure

Factorization String 3^2 × 7 × 2161

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 224,848

Proper Divisor Sum 88,705

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #136139 ← → #136163

1 3 7 9 21 63 2,161 6,483 15,127 19,449 45,381 136,143

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

136,143 408,430 204,215 612,646 306,323 918,970 459,485 1,378,456 689,228 344,614 172,307 516,922 258,461 775,384 387,692 193,846 96,923 290,770 145,385 436,156 218,078 109,039 327,118 163,559 490,678 245,339 736,018 368,009 1,104,028 552,014 276,007 828,022 414,011 1,242,034 621,017 1,863,052 931,526 465,763 1,397,290 698,645 2,095,936 1,047,968 523,984 261,992 130,996 65,498 32,749 98,248 49,124 24,562 12,281 36,844 18,422 9,211 27,634 13,817 41,452 20,726 10,363 31,090

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