3 × 11 × 647

Prime Factor Structure

Factorization String 3 × 11 × 647

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 31,104

Proper Divisor Sum 9,753

Digit Sum / Digital Root 12 (Root: 3)

Adjacent Primes #21347 ← → #21377

1 3 11 33 647 1,941 7,117 21,351

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

21,351 64,054 32,027 96,082 48,041 144,124 72,062 36,031 108,094 54,047 162,142 81,071 243,214 121,607 364,822 182,411 547,234 273,617 820,852 410,426 205,213 615,640 307,820 153,910 76,955 230,866 115,433 346,300 173,150 86,575 259,726 129,863 389,590 194,795 584,386 292,193 876,580 438,290 219,145 657,436 328,718 164,359 493,078 246,539 739,618 369,809 1,109,428 554,714 277,357 832,072 416,036 208,018 104,009 312,028 156,014 78,007 234,022 117,011 351,034 175,517

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