2² × 21871

Prime Factor Structure

Factorization String 2^2 × 21871

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 153,104

Proper Divisor Sum 65,620

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #87481 ← → #87491

1 2 4 21,871 43,742 87,484

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

87,484 43,742 21,871 65,614 32,807 98,422 49,211 147,634 73,817 221,452 110,726 55,363 166,090 83,045 249,136 124,568 62,284 31,142 15,571 46,714 23,357 70,072 35,036 17,518 8,759 26,278 13,139 39,418 19,709 59,128 29,564 14,782 7,391 22,174 11,087 33,262 16,631 49,894 24,947 74,842 37,421 112,264 56,132 28,066 14,033 42,100 21,050 10,525 31,576 15,788 7,894 3,947 11,842 5,921 17,764 8,882 4,441 13,324 6,662 3,331

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