1,358,081

23 × 137 × 431

1,358,081 factors as 23 × 137 × 431. Its 8 positive divisors give a proper-divisor sum of 72,703, so this integer is deficient. The Collatz stopping time is 155 steps.

Prime Factor Structure

Factorization String 23 × 137 × 431

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 1,430,784

Proper Divisor Sum 72,703

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #1358059 ← → #1358083

Radix Representation

Decimal	1358081
Binary	101001011100100000001 (21 bits)
Octal	0o5134401
Hexadecimal	0x14B901

Divisor Catalog (8)

1 23 137 431 3,151 9,913 59,047 1,358,081

Collatz Trajectory (155 steps to reach 1)

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

1,358,081 4,074,244 2,037,122 1,018,561 3,055,684 1,527,842 763,921 2,291,764 1,145,882 572,941 1,718,824 859,412 429,706 214,853 644,560 322,280 161,140 80,570 40,285 120,856 60,428 30,214 15,107 45,322 22,661 67,984 33,992 16,996 8,498 4,249 12,748 6,374 3,187 9,562 4,781 14,344 7,172 3,586 1,793 5,380 2,690 1,345 4,036 2,018 1,009 3,028 1,514 757 2,272 1,136 568 284 142 71 214 107 322 161 484 242

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