13,620,187

7³ × 39709

13,620,187 factors as 7^3 × 39709. Its 8 positive divisors give a proper-divisor sum of 2,263,813, so this integer is deficient. The Collatz stopping time is 86 steps.

Prime Factor Structure

Factorization String 7^3 × 39709

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 15,884,000

Proper Divisor Sum 2,263,813

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #13620151 ← → #13620197

Radix Representation

Decimal	13620187
Binary	110011111101001111011011 (24 bits)
Octal	0o63751733
Hexadecimal	0xCFD3DB

Divisor Catalog (8)

1 7 49 343 39,709 277,963 1,945,741 13,620,187

Collatz Trajectory (86 steps to reach 1)

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

13,620,187 40,860,562 20,430,281 61,290,844 30,645,422 15,322,711 45,968,134 22,984,067 68,952,202 34,476,101 103,428,304 51,714,152 25,857,076 12,928,538 6,464,269 19,392,808 9,696,404 4,848,202 2,424,101 7,272,304 3,636,152 1,818,076 909,038 454,519 1,363,558 681,779 2,045,338 1,022,669 3,068,008 1,534,004 767,002 383,501 1,150,504 575,252 287,626 143,813 431,440 215,720 107,860 53,930 26,965 80,896 40,448 20,224 10,112 5,056 2,528 1,264 632 316 158 79 238 119 358 179 538 269 808 404

More profiles

Browse other published profiles and their separate link collections.

No other profiles in this collection.

← Previous Integer #13,620,186 Browse Full Index Next Integer #13,620,188 →