λ
Sequence Observatory

6,668,413

23 × 383 × 757
Deficient Odd Composite

Starting at 6,668,413, the Collatz iteration reaches 1 after 139 steps. The first transition is 20005240; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 23 × 383 × 757
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 6,985,728
Proper Divisor Sum 317,315
Digit Sum / Digital Root 34 (Root: 7)
Adjacent Primes #6668381 ← → #6668419

Radix Representation

Decimal 6668413
Binary 11001011100000001111101 (23 bits)
Octal 0o31340175
Hexadecimal 0x65C07D

Divisor Catalog (8)

1 23 383 757 8,809 17,411 289,931 6,668,413

Collatz Trajectory (139 steps to reach 1)

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

6,668,413 20,005,240 10,002,620 5,001,310 2,500,655 7,501,966 3,750,983 11,252,950 5,626,475 16,879,426 8,439,713 25,319,140 12,659,570 6,329,785 18,989,356 9,494,678 4,747,339 14,242,018 7,121,009 21,363,028 10,681,514 5,340,757 16,022,272 8,011,136 4,005,568 2,002,784 1,001,392 500,696 250,348 125,174 62,587 187,762 93,881 281,644 140,822 70,411 211,234 105,617 316,852 158,426 79,213 237,640 118,820 59,410 29,705 89,116 44,558 22,279 66,838 33,419 100,258 50,129 150,388 75,194 37,597 112,792 56,396 28,198 14,099 42,298

More profiles

← Previous Integer #6,668,412 Browse Full Index Next Integer #6,668,414 →