λ
Integer Codex

1,189,665

32 × 5 × 26437
Deficient Odd Composite

For 1,189,665, the 12 positive divisors have a total of 2,062,164. Removing 1,189,665 leaves 872,499, which gives the deficient classification.

Prime Factor Structure

Factorization String 3^2 × 5 × 26437
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 2,062,164
Proper Divisor Sum 872,499
Digit Sum / Digital Root 36 (Root: 9)
Adjacent Primes #1189651 ← → #1189673

Radix Representation

Decimal 1189665
Binary 100100010011100100001 (21 bits)
Octal 0o4423441
Hexadecimal 0x122721

Divisor Catalog (12)

1 3 5 9 15 45 26,437 79,311 132,185 237,933 396,555 1,189,665

Collatz Trajectory (67 steps to reach 1)

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

1,189,665 3,568,996 1,784,498 892,249 2,676,748 1,338,374 669,187 2,007,562 1,003,781 3,011,344 1,505,672 752,836 376,418 188,209 564,628 282,314 141,157 423,472 211,736 105,868 52,934 26,467 79,402 39,701 119,104 59,552 29,776 14,888 7,444 3,722 1,861 5,584 2,792 1,396 698 349 1,048 524 262 131 394 197 592 296 148 74 37 112 56 28 14 7 22 11 34 17 52 26 13 40

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