λ
Sequence Observatory

2,927,381

797 × 3673
Deficient Odd Composite

Starting at 2,927,381, the Collatz iteration reaches 1 after 226 steps. The first transition is 8782144; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 797 × 3673
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 2,931,852
Proper Divisor Sum 4,471
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #2927341 ← → #2927389

Radix Representation

Decimal 2927381
Binary 1011001010101100010101 (22 bits)
Octal 0o13125425
Hexadecimal 0x2CAB15

Divisor Catalog (4)

1 797 3,673 2,927,381

Collatz Trajectory (226 steps to reach 1)

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

2,927,381 8,782,144 4,391,072 2,195,536 1,097,768 548,884 274,442 137,221 411,664 205,832 102,916 51,458 25,729 77,188 38,594 19,297 57,892 28,946 14,473 43,420 21,710 10,855 32,566 16,283 48,850 24,425 73,276 36,638 18,319 54,958 27,479 82,438 41,219 123,658 61,829 185,488 92,744 46,372 23,186 11,593 34,780 17,390 8,695 26,086 13,043 39,130 19,565 58,696 29,348 14,674 7,337 22,012 11,006 5,503 16,510 8,255 24,766 12,383 37,150 18,575

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