1,236,745

5 × 31 × 79 × 101

1,236,745 factors as 5 × 31 × 79 × 101. Its 16 positive divisors give a proper-divisor sum of 329,975, so this integer is deficient. The Collatz stopping time is 248 steps.

Prime Factor Structure

Factorization String 5 × 31 × 79 × 101

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,566,720

Proper Divisor Sum 329,975

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #1236743 ← → #1236751

Radix Representation

Decimal	1236745
Binary	100101101111100001001 (21 bits)
Octal	0o4557411
Hexadecimal	0x12DF09

Divisor Catalog (16)

1 5 31 79 101 155 395 505 2,449 3,131 7,979 12,245 15,655 39,895 247,349 1,236,745

Collatz Trajectory (248 steps to reach 1)

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

1,236,745 3,710,236 1,855,118 927,559 2,782,678 1,391,339 4,174,018 2,087,009 6,261,028 3,130,514 1,565,257 4,695,772 2,347,886 1,173,943 3,521,830 1,760,915 5,282,746 2,641,373 7,924,120 3,962,060 1,981,030 990,515 2,971,546 1,485,773 4,457,320 2,228,660 1,114,330 557,165 1,671,496 835,748 417,874 208,937 626,812 313,406 156,703 470,110 235,055 705,166 352,583 1,057,750 528,875 1,586,626 793,313 2,379,940 1,189,970 594,985 1,784,956 892,478 446,239 1,338,718 669,359 2,008,078 1,004,039 3,012,118 1,506,059 4,518,178 2,259,089 6,777,268 3,388,634 1,694,317

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