2 × 5 × 7 × 307

Prime Factor Structure

Factorization String 2 × 5 × 7 × 307

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 44,352

Proper Divisor Sum 22,862

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #21487 ← → #21491

1 2 5 7 10 14 35 70 307 614 1,535 2,149 3,070 4,298 10,745 21,490

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

21,490 10,745 32,236 16,118 8,059 24,178 12,089 36,268 18,134 9,067 27,202 13,601 40,804 20,402 10,201 30,604 15,302 7,651 22,954 11,477 34,432 17,216 8,608 4,304 2,152 1,076 538 269 808 404 202 101 304 152 76 38 19 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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