λ
Sequence Observatory

6,571,370

2 × 5 × 13 × 50549
Deficient Even Composite

Starting at 6,571,370, the Collatz iteration reaches 1 after 59 steps. The first transition is 3285685; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2 × 5 × 13 × 50549
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 12,738,600
Proper Divisor Sum 6,167,230
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #6571337 ← → #6571393

Radix Representation

Decimal 6571370
Binary 11001000100010101101010 (23 bits)
Octal 0o31042552
Hexadecimal 0x64456A

Divisor Catalog (16)

1 2 5 10 13 26 65 130 50,549 101,098 252,745 505,490 657,137 1,314,274 3,285,685 6,571,370

Collatz Trajectory (59 steps to reach 1)

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

6,571,370 3,285,685 9,857,056 4,928,528 2,464,264 1,232,132 616,066 308,033 924,100 462,050 231,025 693,076 346,538 173,269 519,808 259,904 129,952 64,976 32,488 16,244 8,122 4,061 12,184 6,092 3,046 1,523 4,570 2,285 6,856 3,428 1,714 857 2,572 1,286 643 1,930 965 2,896 1,448 724 362 181 544 272 136 68 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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