2² × 5 × 12457

Prime Factor Structure

Factorization String 2^2 × 5 × 12457

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 523,236

Proper Divisor Sum 274,096

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #249133 ← → #249143

1 2 4 5 10 20 12,457 24,914 49,828 62,285 124,570 249,140

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

249,140 124,570 62,285 186,856 93,428 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 9,994 4,997 14,992 7,496 3,748 1,874 937 2,812 1,406 703 2,110 1,055 3,166 1,583

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