λ
Integer Codex

805,657

19 × 42403
Deficient Odd Composite

For 805,657, the 4 positive divisors have a total of 848,080. Removing 805,657 leaves 42,423, which gives the deficient classification.

Prime Factor Structure

Factorization String 19 × 42403
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 848,080
Proper Divisor Sum 42,423
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #805639 ← → #805687

Radix Representation

Decimal 805657
Binary 11000100101100011001 (20 bits)
Octal 0o3045431
Hexadecimal 0xC4B19

Divisor Catalog (4)

1 19 42,403 805,657

Collatz Trajectory (113 steps to reach 1)

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

805,657 2,416,972 1,208,486 604,243 1,812,730 906,365 2,719,096 1,359,548 679,774 339,887 1,019,662 509,831 1,529,494 764,747 2,294,242 1,147,121 3,441,364 1,720,682 860,341 2,581,024 1,290,512 645,256 322,628 161,314 80,657 241,972 120,986 60,493 181,480 90,740 45,370 22,685 68,056 34,028 17,014 8,507 25,522 12,761 38,284 19,142 9,571 28,714 14,357 43,072 21,536 10,768 5,384 2,692 1,346 673 2,020 1,010 505 1,516 758 379 1,138 569 1,708 854

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