2,156,058

2 × 3⁴ × 13309

2,156,058 factors as 2 × 3^4 × 13309. Its 20 positive divisors give a proper-divisor sum of 2,675,472, so this integer is abundant. The Collatz stopping time is 73 steps.

Prime Factor Structure

Factorization String 2 × 3^4 × 13309

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 20

Divisor Sum (σ) 4,831,530

Proper Divisor Sum 2,675,472

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #2156053 ← → #2156071

Radix Representation

Decimal	2156058
Binary	1000001110011000011010 (22 bits)
Octal	0o10163032
Hexadecimal	0x20E61A

Divisor Catalog (20)

Collatz Trajectory (73 steps to reach 1)

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

2,156,058 1,078,029 3,234,088 1,617,044 808,522 404,261 1,212,784 606,392 303,196 151,598 75,799 227,398 113,699 341,098 170,549 511,648 255,824 127,912 63,956 31,978 15,989 47,968 23,984 11,992 5,996 2,998 1,499 4,498 2,249 6,748 3,374 1,687 5,062 2,531 7,594 3,797 11,392 5,696 2,848 1,424 712 356 178 89 268 134 67 202 101 304 152 76 38 19 58 29 88 44 22 11

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