2,315,583

3² × 257287

Starting at 2,315,583, the Collatz iteration reaches 1 after 161 steps. The first transition is 6946750; the starting value is odd with 6 positive divisors.

Prime Factor Structure

Factorization String 3^2 × 257287

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 3,344,744

Proper Divisor Sum 1,029,161

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #2315581 ← → #2315597

Radix Representation

Decimal	2315583
Binary	1000110101010100111111 (22 bits)
Octal	0o10652477
Hexadecimal	0x23553F

Divisor Catalog (6)

1 3 9 257,287 771,861 2,315,583

Collatz Trajectory (161 steps to reach 1)

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

2,315,583 6,946,750 3,473,375 10,420,126 5,210,063 15,630,190 7,815,095 23,445,286 11,722,643 35,167,930 17,583,965 52,751,896 26,375,948 13,187,974 6,593,987 19,781,962 9,890,981 29,672,944 14,836,472 7,418,236 3,709,118 1,854,559 5,563,678 2,781,839 8,345,518 4,172,759 12,518,278 6,259,139 18,777,418 9,388,709 28,166,128 14,083,064 7,041,532 3,520,766 1,760,383 5,281,150 2,640,575 7,921,726 3,960,863 11,882,590 5,941,295 17,823,886 8,911,943 26,735,830 13,367,915 40,103,746 20,051,873 60,155,620 30,077,810 15,038,905 45,116,716 22,558,358 11,279,179 33,837,538 16,918,769 50,756,308 25,378,154 12,689,077 38,067,232 19,033,616

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