λ
Sequence Observatory

914,842

2 × 457421
Deficient Even Composite

Starting at 914,842, the Collatz iteration reaches 1 after 108 steps. The first transition is 457421; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 457421
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 1,372,266
Proper Divisor Sum 457,424
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #914827 ← → #914843

Radix Representation

Decimal 914842
Binary 11011111010110011010 (20 bits)
Octal 0o3372632
Hexadecimal 0xDF59A

Divisor Catalog (4)

1 2 457,421 914,842

Collatz Trajectory (108 steps to reach 1)

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

914,842 457,421 1,372,264 686,132 343,066 171,533 514,600 257,300 128,650 64,325 192,976 96,488 48,244 24,122 12,061 36,184 18,092 9,046 4,523 13,570 6,785 20,356 10,178 5,089 15,268 7,634 3,817 11,452 5,726 2,863 8,590 4,295 12,886 6,443 19,330 9,665 28,996 14,498 7,249 21,748 10,874 5,437 16,312 8,156 4,078 2,039 6,118 3,059 9,178 4,589 13,768 6,884 3,442 1,721 5,164 2,582 1,291 3,874 1,937 5,812

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