λ
Sequence Observatory

5,516,618

2 × 59 × 46751
Deficient Even Composite

Starting at 5,516,618, the Collatz iteration reaches 1 after 170 steps. The first transition is 2758309; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 59 × 46751
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 8,415,360
Proper Divisor Sum 2,898,742
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #5516617 ← → #5516627

Radix Representation

Decimal 5516618
Binary 10101000010110101001010 (23 bits)
Octal 0o25026512
Hexadecimal 0x542D4A

Divisor Catalog (8)

1 2 59 118 46,751 93,502 2,758,309 5,516,618

Collatz Trajectory (170 steps to reach 1)

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

5,516,618 2,758,309 8,274,928 4,137,464 2,068,732 1,034,366 517,183 1,551,550 775,775 2,327,326 1,163,663 3,490,990 1,745,495 5,236,486 2,618,243 7,854,730 3,927,365 11,782,096 5,891,048 2,945,524 1,472,762 736,381 2,209,144 1,104,572 552,286 276,143 828,430 414,215 1,242,646 621,323 1,863,970 931,985 2,795,956 1,397,978 698,989 2,096,968 1,048,484 524,242 262,121 786,364 393,182 196,591 589,774 294,887 884,662 442,331 1,326,994 663,497 1,990,492 995,246 497,623 1,492,870 746,435 2,239,306 1,119,653 3,358,960 1,679,480 839,740 419,870 209,935

More profiles

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