6,221,939

61 × 101999

Starting at 6,221,939, the Collatz iteration reaches 1 after 157 steps. The first transition is 18665818; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 61 × 101999

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 6,324,000

Proper Divisor Sum 102,061

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #6221933 ← → #6221951

Radix Representation

Decimal	6221939
Binary	10111101111000001110011 (23 bits)
Octal	0o27570163
Hexadecimal	0x5EF073

Divisor Catalog (4)

1 61 101,999 6,221,939

Collatz Trajectory (157 steps to reach 1)

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

6,221,939 18,665,818 9,332,909 27,998,728 13,999,364 6,999,682 3,499,841 10,499,524 5,249,762 2,624,881 7,874,644 3,937,322 1,968,661 5,905,984 2,952,992 1,476,496 738,248 369,124 184,562 92,281 276,844 138,422 69,211 207,634 103,817 311,452 155,726 77,863 233,590 116,795 350,386 175,193 525,580 262,790 131,395 394,186 197,093 591,280 295,640 147,820 73,910 36,955 110,866 55,433 166,300 83,150 41,575 124,726 62,363 187,090 93,545 280,636 140,318 70,159 210,478 105,239 315,718 157,859 473,578 236,789

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