λ
Sequence Observatory

1,775,710

2 × 5 × 41 × 61 × 71
Deficient Even Composite

Starting at 1,775,710, the Collatz iteration reaches 1 after 119 steps. The first transition is 887855; the starting value is even with 32 positive divisors.

Prime Factor Structure

Factorization String 2 × 5 × 41 × 61 × 71
Distinct Prime Factors 5
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 32
Divisor Sum (σ) 3,374,784
Proper Divisor Sum 1,599,074
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #1775689 ← → #1775717

Radix Representation

Decimal 1775710
Binary 110110001100001011110 (21 bits)
Octal 0o6614136
Hexadecimal 0x1B185E

Divisor Catalog (32)

1 2 5 10 41 61 71 82 122 142 205 305 355 410 610 710 2,501 2,911 4,331 5,002 5,822 8,662 12,505 14,555 21,655 25,010 29,110 43,310 177,571 355,142 887,855 1,775,710

Collatz Trajectory (119 steps to reach 1)

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

1,775,710 887,855 2,663,566 1,331,783 3,995,350 1,997,675 5,993,026 2,996,513 8,989,540 4,494,770 2,247,385 6,742,156 3,371,078 1,685,539 5,056,618 2,528,309 7,584,928 3,792,464 1,896,232 948,116 474,058 237,029 711,088 355,544 177,772 88,886 44,443 133,330 66,665 199,996 99,998 49,999 149,998 74,999 224,998 112,499 337,498 168,749 506,248 253,124 126,562 63,281 189,844 94,922 47,461 142,384 71,192 35,596 17,798 8,899 26,698 13,349 40,048 20,024 10,012 5,006 2,503 7,510 3,755 11,266

More profiles

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