λ
Sequence Observatory

2,774,056

23 × 131 × 2647
Deficient Even Composite

Starting at 2,774,056, the Collatz iteration reaches 1 after 76 steps. The first transition is 1387028; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2^3 × 131 × 2647
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 5,243,040
Proper Divisor Sum 2,468,984
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #2774047 ← → #2774063

Radix Representation

Decimal 2774056
Binary 1010100101010000101000 (22 bits)
Octal 0o12452050
Hexadecimal 0x2A5428

Divisor Catalog (16)

1 2 4 8 131 262 524 1,048 2,647 5,294 10,588 21,176 346,757 693,514 1,387,028 2,774,056

Collatz Trajectory (76 steps to reach 1)

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

2,774,056 1,387,028 693,514 346,757 1,040,272 520,136 260,068 130,034 65,017 195,052 97,526 48,763 146,290 73,145 219,436 109,718 54,859 164,578 82,289 246,868 123,434 61,717 185,152 92,576 46,288 23,144 11,572 5,786 2,893 8,680 4,340 2,170 1,085 3,256 1,628 814 407 1,222 611 1,834 917 2,752 1,376 688 344 172 86 43 130 65 196 98 49 148 74 37 112 56 28 14

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