λ
Sigma Notebook

4,127,861

4127861
Deficient Odd Prime

4,127,861 is odd and not a perfect square. Its factorization is 4127861 and its 2 divisors sum to 4,127,862.

Prime Factor Structure

Factorization String 4127861
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 4,127,862
Proper Divisor Sum 1
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #4127843 ← → #4127863

Radix Representation

Decimal 4127861
Binary 1111101111110001110101 (22 bits)
Octal 0o17576165
Hexadecimal 0x3EFC75

Divisor Catalog (2)

Collatz Trajectory (105 steps to reach 1)

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

4,127,861 12,383,584 6,191,792 3,095,896 1,547,948 773,974 386,987 1,160,962 580,481 1,741,444 870,722 435,361 1,306,084 653,042 326,521 979,564 489,782 244,891 734,674 367,337 1,102,012 551,006 275,503 826,510 413,255 1,239,766 619,883 1,859,650 929,825 2,789,476 1,394,738 697,369 2,092,108 1,046,054 523,027 1,569,082 784,541 2,353,624 1,176,812 588,406 294,203 882,610 441,305 1,323,916 661,958 330,979 992,938 496,469 1,489,408 744,704 372,352 186,176 93,088 46,544 23,272 11,636 5,818 2,909 8,728 4,364

More profiles

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