2² × 5 × 18869

Prime Factor Structure

Factorization String 2^2 × 5 × 18869

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 792,540

Proper Divisor Sum 415,160

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #377371 ← → #377387

1 2 4 5 10 20 18,869 37,738 75,476 94,345 188,690 377,380

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

377,380 188,690 94,345 283,036 141,518 70,759 212,278 106,139 318,418 159,209 477,628 238,814 119,407 358,222 179,111 537,334 268,667 806,002 403,001 1,209,004 604,502 302,251 906,754 453,377 1,360,132 680,066 340,033 1,020,100 510,050 255,025 765,076 382,538 191,269 573,808 286,904 143,452 71,726 35,863 107,590 53,795 161,386 80,693 242,080 121,040 60,520 30,260 15,130 7,565 22,696 11,348 5,674 2,837 8,512 4,256 2,128 1,064 532 266 133 400

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