λ
Sigma Notebook

5,398,142

2 × 41 × 65831
Deficient Even Composite

5,398,142 is even and not a perfect square. Its factorization is 2 × 41 × 65831 and its 8 divisors sum to 8,294,832.

Prime Factor Structure

Factorization String 2 × 41 × 65831
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 8,294,832
Proper Divisor Sum 2,896,690
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #5398139 ← → #5398171

Radix Representation

Decimal 5398142
Binary 10100100101111001111110 (23 bits)
Octal 0o24457176
Hexadecimal 0x525E7E

Divisor Catalog (8)

1 2 41 82 65,831 131,662 2,699,071 5,398,142

Collatz Trajectory (87 steps to reach 1)

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

5,398,142 2,699,071 8,097,214 4,048,607 12,145,822 6,072,911 18,218,734 9,109,367 27,328,102 13,664,051 40,992,154 20,496,077 61,488,232 30,744,116 15,372,058 7,686,029 23,058,088 11,529,044 5,764,522 2,882,261 8,646,784 4,323,392 2,161,696 1,080,848 540,424 270,212 135,106 67,553 202,660 101,330 50,665 151,996 75,998 37,999 113,998 56,999 170,998 85,499 256,498 128,249 384,748 192,374 96,187 288,562 144,281 432,844 216,422 108,211 324,634 162,317 486,952 243,476 121,738 60,869 182,608 91,304 45,652 22,826 11,413 34,240

More profiles

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