λ
Sequence Observatory

1,326,974

2 × 11 × 60317
Deficient Even Composite

Starting at 1,326,974, the Collatz iteration reaches 1 after 124 steps. The first transition is 663487; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 11 × 60317
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 2,171,448
Proper Divisor Sum 844,474
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #1326971 ← → #1326989

Radix Representation

Decimal 1326974
Binary 101000011111101111110 (21 bits)
Octal 0o5037576
Hexadecimal 0x143F7E

Divisor Catalog (8)

1 2 11 22 60,317 120,634 663,487 1,326,974

Collatz Trajectory (124 steps to reach 1)

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

1,326,974 663,487 1,990,462 995,231 2,985,694 1,492,847 4,478,542 2,239,271 6,717,814 3,358,907 10,076,722 5,038,361 15,115,084 7,557,542 3,778,771 11,336,314 5,668,157 17,004,472 8,502,236 4,251,118 2,125,559 6,376,678 3,188,339 9,565,018 4,782,509 14,347,528 7,173,764 3,586,882 1,793,441 5,380,324 2,690,162 1,345,081 4,035,244 2,017,622 1,008,811 3,026,434 1,513,217 4,539,652 2,269,826 1,134,913 3,404,740 1,702,370 851,185 2,553,556 1,276,778 638,389 1,915,168 957,584 478,792 239,396 119,698 59,849 179,548 89,774 44,887 134,662 67,331 201,994 100,997 302,992

More profiles

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