1,258,993

1258993

Starting at 1,258,993, the Collatz iteration reaches 1 after 54 steps. The first transition is 3776980; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 1258993

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 1,258,994

Proper Divisor Sum 1

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #1258973 ← → #1259017

Radix Representation

Decimal	1258993
Binary	100110011010111110001 (21 bits)
Octal	0o4632761
Hexadecimal	0x1335F1

Divisor Catalog (2)

1 1,258,993

Collatz Trajectory (54 steps to reach 1)

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

1,258,993 3,776,980 1,888,490 944,245 2,832,736 1,416,368 708,184 354,092 177,046 88,523 265,570 132,785 398,356 199,178 99,589 298,768 149,384 74,692 37,346 18,673 56,020 28,010 14,005 42,016 21,008 10,504 5,252 2,626 1,313 3,940 1,970 985 2,956 1,478 739 2,218 1,109 3,328 1,664 832 416 208 104 52 26 13 40 20 10 5 16 8 4 2 1

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