988,965

3² × 5 × 21977

Prime Factor Structure

Factorization String 3^2 × 5 × 21977

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 12

Divisor Sum (σ) 1,714,284

Proper Divisor Sum 725,319

Digit Sum / Digital Root 45 (Root: 9)

Adjacent Primes #988963 ← → #988979

1 3 5 9 15 45 21,977 65,931 109,885 197,793 329,655 988,965

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

988,965 2,966,896 1,483,448 741,724 370,862 185,431 556,294 278,147 834,442 417,221 1,251,664 625,832 312,916 156,458 78,229 234,688 117,344 58,672 29,336 14,668 7,334 3,667 11,002 5,501 16,504 8,252 4,126 2,063 6,190 3,095 9,286 4,643 13,930 6,965 20,896 10,448 5,224 2,612 1,306 653 1,960 980 490 245 736 368 184 92 46 23 70 35 106 53 160 80 40 20 10 5

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