3 × 5 × 251 × 5683

Prime Factor Structure

Factorization String 3 × 5 × 251 × 5683

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 34,376,832

Proper Divisor Sum 12,980,337

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #21396493 ← → #21396497

1 3 5 15 251 753 1,255 3,765 5,683 17,049 28,415 85,245 1,426,433 4,279,299 7,132,165 21,396,495

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

21,396,495 64,189,486 32,094,743 96,284,230 48,142,115 144,426,346 72,213,173 216,639,520 108,319,760 54,159,880 27,079,940 13,539,970 6,769,985 20,309,956 10,154,978 5,077,489 15,232,468 7,616,234 3,808,117 11,424,352 5,712,176 2,856,088 1,428,044 714,022 357,011 1,071,034 535,517 1,606,552 803,276 401,638 200,819 602,458 301,229 903,688 451,844 225,922 112,961 338,884 169,442 84,721 254,164 127,082 63,541 190,624 95,312 47,656 23,828 11,914 5,957 17,872 8,936 4,468 2,234 1,117 3,352 1,676 838 419 1,258 629

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