Integer Profile

2,191,917

3 × 7^2 × 13 × 31 × 37

Prime factors, divisor sums, positional representations and sequence properties for 2,191,917. The prime factorization is 3 × 7^2 × 13 × 31 × 37.

Number of positive divisors: 48. Showing the recorded part of the sequence: 210.

DeficientOddComposite

Prime factorization

Factorization: 3 × 7^2 × 13 × 31 × 37
Distinct prime factors: 5
Perfect square: No
Parity: Odd

Arithmetic properties

Positive divisors: 48
Divisor sum: 3,881,472
Proper-divisor sum: 1,689,555
Digit sum: 30
Digital root: 3

Number bases

Decimal: 2191917
Binary: 1000010111001000101101 (22 bits)
Octal: 0o10271055
Hexadecimal: 0x21722D

Divisor catalog (48)

13713213137394991931111472172592734034816376517771,1471,2091,4431,5191,8131,9112,8213,3673,4414,5575,4398,0298,46310,10114,91119,74723,56924,08744,73356,20359,24170,707104,377168,609313,131730,6392,191,917

Showing 48 of 48.

Collatz trajectory (210 steps)

Even: n → n/2; Odd: n → 3n + 1

2,191,9176,575,7523,287,8761,643,938821,9692,465,9081,232,954616,4771,849,432924,716462,358231,179693,538346,7691,040,308520,154260,077780,232390,116195,05897,529292,588146,29473,147219,442109,721329,164164,58282,291246,874123,437370,312185,15692,57846,289138,86869,43434,717104,15252,07626,03813,01939,05819,52958,58829,29414,64743,94221,97165,91432,95798,87249,43624,71812,35937,07818,53955,61827,80983,428

Showing 60 of 60.