2² × 5 × 83 × 127

Prime Factor Structure

Factorization String 2^2 × 5 × 83 × 127

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 451,584

Proper Divisor Sum 240,764

Digit Sum / Digital Root 13 (Root: 4)

Adjacent Primes #210811 ← → #210823

1 2 4 5 10 20 83 127 166 254 332 415 508 635 830 1,270 1,660 2,540 10,541 21,082 42,164 52,705 105,410 210,820

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

210,820 105,410 52,705 158,116 79,058 39,529 118,588 59,294 29,647 88,942 44,471 133,414 66,707 200,122 100,061 300,184 150,092 75,046 37,523 112,570 56,285 168,856 84,428 42,214 21,107 63,322 31,661 94,984 47,492 23,746 11,873 35,620 17,810 8,905 26,716 13,358 6,679 20,038 10,019 30,058 15,029 45,088 22,544 11,272 5,636 2,818 1,409 4,228 2,114 1,057 3,172 1,586 793 2,380 1,190 595 1,786 893 2,680 1,340

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