λ
Integer Codex

4,242,591

33 × 157133
Deficient Odd Composite

For 4,242,591, the 8 positive divisors have a total of 6,285,360. Removing 4,242,591 leaves 2,042,769, which gives the deficient classification.

Prime Factor Structure

Factorization String 3^3 × 157133
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 6,285,360
Proper Divisor Sum 2,042,769
Digit Sum / Digital Root 27 (Root: 9)
Adjacent Primes #4242569 ← → #4242593

Radix Representation

Decimal 4242591
Binary 10000001011110010011111 (23 bits)
Octal 0o20136237
Hexadecimal 0x40BC9F

Divisor Catalog (8)

1 3 9 27 157,133 471,399 1,414,197 4,242,591

Collatz Trajectory (229 steps to reach 1)

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

4,242,591 12,727,774 6,363,887 19,091,662 9,545,831 28,637,494 14,318,747 42,956,242 21,478,121 64,434,364 32,217,182 16,108,591 48,325,774 24,162,887 72,488,662 36,244,331 108,732,994 54,366,497 163,099,492 81,549,746 40,774,873 122,324,620 61,162,310 30,581,155 91,743,466 45,871,733 137,615,200 68,807,600 34,403,800 17,201,900 8,600,950 4,300,475 12,901,426 6,450,713 19,352,140 9,676,070 4,838,035 14,514,106 7,257,053 21,771,160 10,885,580 5,442,790 2,721,395 8,164,186 4,082,093 12,246,280 6,123,140 3,061,570 1,530,785 4,592,356 2,296,178 1,148,089 3,444,268 1,722,134 861,067 2,583,202 1,291,601 3,874,804 1,937,402 968,701

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