1,292,713

1292713

Starting at 1,292,713, the Collatz iteration reaches 1 after 155 steps. The first transition is 3878140; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 1292713

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 1,292,714

Proper Divisor Sum 1

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #1292701 ← → #1292717

Radix Representation

Decimal	1292713
Binary	100111011100110101001 (21 bits)
Octal	0o4734651
Hexadecimal	0x13B9A9

Divisor Catalog (2)

1 1,292,713

Collatz Trajectory (155 steps to reach 1)

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

1,292,713 3,878,140 1,939,070 969,535 2,908,606 1,454,303 4,362,910 2,181,455 6,544,366 3,272,183 9,816,550 4,908,275 14,724,826 7,362,413 22,087,240 11,043,620 5,521,810 2,760,905 8,282,716 4,141,358 2,070,679 6,212,038 3,106,019 9,318,058 4,659,029 13,977,088 6,988,544 3,494,272 1,747,136 873,568 436,784 218,392 109,196 54,598 27,299 81,898 40,949 122,848 61,424 30,712 15,356 7,678 3,839 11,518 5,759 17,278 8,639 25,918 12,959 38,878 19,439 58,318 29,159 87,478 43,739 131,218 65,609 196,828 98,414 49,207

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