6,195,221

61 × 101561

Starting at 6,195,221, the Collatz iteration reaches 1 after 90 steps. The first transition is 18585664; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 61 × 101561

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 6,296,844

Proper Divisor Sum 101,623

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #6195181 ← → #6195251

Radix Representation

Decimal	6195221
Binary	10111101000100000010101 (23 bits)
Octal	0o27504025
Hexadecimal	0x5E8815

Divisor Catalog (4)

1 61 101,561 6,195,221

Collatz Trajectory (90 steps to reach 1)

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

6,195,221 18,585,664 9,292,832 4,646,416 2,323,208 1,161,604 580,802 290,401 871,204 435,602 217,801 653,404 326,702 163,351 490,054 245,027 735,082 367,541 1,102,624 551,312 275,656 137,828 68,914 34,457 103,372 51,686 25,843 77,530 38,765 116,296 58,148 29,074 14,537 43,612 21,806 10,903 32,710 16,355 49,066 24,533 73,600 36,800 18,400 9,200 4,600 2,300 1,150 575 1,726 863 2,590 1,295 3,886 1,943 5,830 2,915 8,746 4,373 13,120 6,560

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