Integer Profile

8,172,021

3 × 11 × 13 × 43 × 443

Prime factors, divisor sums, positional representations and sequence properties for 8,172,021. The prime factorization is 3 × 11 × 13 × 43 × 443.

Number of positive divisors: 32. Showing the recorded part of the sequence: 168.

DeficientOddComposite

Arithmetic properties

Positive divisors: 32
Divisor sum: 13,128,192
Proper-divisor sum: 4,956,171
Digit sum: 21
Digital root: 3

Number bases

Decimal: 8172021
Binary: 11111001011000111110101 (23 bits)
Octal: 0o37130765
Hexadecimal: 0x7CB1F5

Divisor catalog (32)

1311133339431291434294434735591,3291,4191,6774,8735,7596,14914,61917,27718,44719,04957,14763,349190,047209,539247,637628,617742,9112,724,0078,172,021

Showing 32 of 32.

Collatz trajectory (168 steps)

Even: n → n/2; Odd: n → 3n + 1

8,172,02124,516,06412,258,0326,129,0163,064,5081,532,254766,1272,298,3821,149,1913,447,5741,723,7875,171,3622,585,6817,757,0443,878,5221,939,2615,817,7842,908,8921,454,446727,2232,181,6701,090,8353,272,5061,636,2534,908,7602,454,3801,227,190613,5951,840,786920,3932,761,1801,380,590690,2952,070,8861,035,4433,106,3301,553,1654,659,4962,329,7481,164,874582,4371,747,312873,656436,828218,414109,207327,622163,811491,434245,717737,152368,576184,28892,14446,07223,03611,5185,75917,2788,639

Showing 60 of 60.

Prime factorization

Factorization: 3 × 11 × 13 × 43 × 443
Distinct prime factors: 5
Perfect square: No
Parity: Odd