λ
Sequence Observatory

2,856,587

29 × 137 × 719
Deficient Odd Composite

Starting at 2,856,587, the Collatz iteration reaches 1 after 99 steps. The first transition is 8569762; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 29 × 137 × 719
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 2,980,800
Proper Divisor Sum 124,213
Digit Sum / Digital Root 41 (Root: 5)
Adjacent Primes #2856559 ← → #2856599

Radix Representation

Decimal 2856587
Binary 1010111001011010001011 (22 bits)
Octal 0o12713213
Hexadecimal 0x2B968B

Divisor Catalog (8)

1 29 137 719 3,973 20,851 98,503 2,856,587

Collatz Trajectory (99 steps to reach 1)

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

2,856,587 8,569,762 4,284,881 12,854,644 6,427,322 3,213,661 9,640,984 4,820,492 2,410,246 1,205,123 3,615,370 1,807,685 5,423,056 2,711,528 1,355,764 677,882 338,941 1,016,824 508,412 254,206 127,103 381,310 190,655 571,966 285,983 857,950 428,975 1,286,926 643,463 1,930,390 965,195 2,895,586 1,447,793 4,343,380 2,171,690 1,085,845 3,257,536 1,628,768 814,384 407,192 203,596 101,798 50,899 152,698 76,349 229,048 114,524 57,262 28,631 85,894 42,947 128,842 64,421 193,264 96,632 48,316 24,158 12,079 36,238 18,119

More profiles

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