637,679

7 × 91097

637,679 factors as 7 × 91097. Its 4 positive divisors give a proper-divisor sum of 91,105, so this integer is deficient. The Collatz stopping time is 123 steps.

Prime Factor Structure

Factorization String 7 × 91097

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 728,784

Proper Divisor Sum 91,105

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #637669 ← → #637691

Radix Representation

Decimal	637679
Binary	10011011101011101111 (20 bits)
Octal	0o2335357
Hexadecimal	0x9BAEF

Divisor Catalog (4)

1 7 91,097 637,679

Collatz Trajectory (123 steps to reach 1)

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

637,679 1,913,038 956,519 2,869,558 1,434,779 4,304,338 2,152,169 6,456,508 3,228,254 1,614,127 4,842,382 2,421,191 7,263,574 3,631,787 10,895,362 5,447,681 16,343,044 8,171,522 4,085,761 12,257,284 6,128,642 3,064,321 9,192,964 4,596,482 2,298,241 6,894,724 3,447,362 1,723,681 5,171,044 2,585,522 1,292,761 3,878,284 1,939,142 969,571 2,908,714 1,454,357 4,363,072 2,181,536 1,090,768 545,384 272,692 136,346 68,173 204,520 102,260 51,130 25,565 76,696 38,348 19,174 9,587 28,762 14,381 43,144 21,572 10,786 5,393 16,180 8,090 4,045

More profiles

Browse other published profiles and their separate link collections.

No other profiles in this collection.

← Previous Integer #637,678 Browse Full Index Next Integer #637,680 →