7,140,835

5 × 13 × 109859

Starting at 7,140,835, the Collatz iteration reaches 1 after 173 steps. The first transition is 21422506; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 5 × 13 × 109859

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 9,228,240

Proper Divisor Sum 2,087,405

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #7140823 ← → #7140841

Radix Representation

Decimal	7140835
Binary	11011001111010111100011 (23 bits)
Octal	0o33172743
Hexadecimal	0x6CF5E3

Divisor Catalog (8)

1 5 13 65 109,859 549,295 1,428,167 7,140,835

Collatz Trajectory (173 steps to reach 1)

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

7,140,835 21,422,506 10,711,253 32,133,760 16,066,880 8,033,440 4,016,720 2,008,360 1,004,180 502,090 251,045 753,136 376,568 188,284 94,142 47,071 141,214 70,607 211,822 105,911 317,734 158,867 476,602 238,301 714,904 357,452 178,726 89,363 268,090 134,045 402,136 201,068 100,534 50,267 150,802 75,401 226,204 113,102 56,551 169,654 84,827 254,482 127,241 381,724 190,862 95,431 286,294 143,147 429,442 214,721 644,164 322,082 161,041 483,124 241,562 120,781 362,344 181,172 90,586 45,293

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