λ
Sequence Observatory

1,481,586

2 × 3 × 246931
Abundant Even Composite

Starting at 1,481,586, the Collatz iteration reaches 1 after 119 steps. The first transition is 740793; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 3 × 246931
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 2,963,184
Proper Divisor Sum 1,481,598
Digit Sum / Digital Root 33 (Root: 6)
Adjacent Primes #1481573 ← → #1481603

Radix Representation

Decimal 1481586
Binary 101101001101101110010 (21 bits)
Octal 0o5515562
Hexadecimal 0x169B72

Divisor Catalog (8)

1 2 3 6 246,931 493,862 740,793 1,481,586

Collatz Trajectory (119 steps to reach 1)

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

1,481,586 740,793 2,222,380 1,111,190 555,595 1,666,786 833,393 2,500,180 1,250,090 625,045 1,875,136 937,568 468,784 234,392 117,196 58,598 29,299 87,898 43,949 131,848 65,924 32,962 16,481 49,444 24,722 12,361 37,084 18,542 9,271 27,814 13,907 41,722 20,861 62,584 31,292 15,646 7,823 23,470 11,735 35,206 17,603 52,810 26,405 79,216 39,608 19,804 9,902 4,951 14,854 7,427 22,282 11,141 33,424 16,712 8,356 4,178 2,089 6,268 3,134 1,567

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