λ
Sequence Observatory

4,716,491

13 × 461 × 787
Deficient Odd Composite

Starting at 4,716,491, the Collatz iteration reaches 1 after 131 steps. The first transition is 14149474; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 13 × 461 × 787
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 5,096,784
Proper Divisor Sum 380,293
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #4716487 ← → #4716511

Radix Representation

Decimal 4716491
Binary 10001111111011111001011 (23 bits)
Octal 0o21773713
Hexadecimal 0x47F7CB

Divisor Catalog (8)

1 13 461 787 5,993 10,231 362,807 4,716,491

Collatz Trajectory (131 steps to reach 1)

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

4,716,491 14,149,474 7,074,737 21,224,212 10,612,106 5,306,053 15,918,160 7,959,080 3,979,540 1,989,770 994,885 2,984,656 1,492,328 746,164 373,082 186,541 559,624 279,812 139,906 69,953 209,860 104,930 52,465 157,396 78,698 39,349 118,048 59,024 29,512 14,756 7,378 3,689 11,068 5,534 2,767 8,302 4,151 12,454 6,227 18,682 9,341 28,024 14,012 7,006 3,503 10,510 5,255 15,766 7,883 23,650 11,825 35,476 17,738 8,869 26,608 13,304 6,652 3,326 1,663 4,990

More profiles

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