λ
Sequence Observatory

2,983,525

52 × 131 × 911
Deficient Odd Composite

Starting at 2,983,525, the Collatz iteration reaches 1 after 63 steps. The first transition is 8950576; the starting value is odd with 12 positive divisors.

Prime Factor Structure

Factorization String 5^2 × 131 × 911
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 3,731,904
Proper Divisor Sum 748,379
Digit Sum / Digital Root 34 (Root: 7)
Adjacent Primes #2983523 ← → #2983531

Radix Representation

Decimal 2983525
Binary 1011011000011001100101 (22 bits)
Octal 0o13303145
Hexadecimal 0x2D8665

Divisor Catalog (12)

1 5 25 131 655 911 3,275 4,555 22,775 119,341 596,705 2,983,525

Collatz Trajectory (63 steps to reach 1)

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

2,983,525 8,950,576 4,475,288 2,237,644 1,118,822 559,411 1,678,234 839,117 2,517,352 1,258,676 629,338 314,669 944,008 472,004 236,002 118,001 354,004 177,002 88,501 265,504 132,752 66,376 33,188 16,594 8,297 24,892 12,446 6,223 18,670 9,335 28,006 14,003 42,010 21,005 63,016 31,508 15,754 7,877 23,632 11,816 5,908 2,954 1,477 4,432 2,216 1,108 554 277 832 416 208 104 52 26 13 40 20 10 5 16

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