Properties of the Number -2113665

One Hundred Thirteen Thousand Six Hundred Sixty-Five

Basics

Value: -2113666 → -2113665 → -2113664

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 29 × 43 × 113

Divisors: 1, 3, 5, 15, 29, 43, 87, 113, 129, 145

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1000000100000010000001

Octal: -10040201

Duodecimal: -85B229

Hexadecimal: -204081

Square: 4467579732225

Square Root: 1453.8449023193637

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

a(n) = sigma₇(n), the sum of the 7th powers of the divisors of n. A13955

Sum of (n-1)-th powers of divisors of n. A82245

Triangular array, read by rows: T(n,k) = ∑_d∣n d^k, 0 <= k < n. A82771

Number of cases in which the first player gets killed in a Russian roulette game when 7 players use a gun with n chambers and the number of the bullets can be from 1 to n. In the game they do not rotate the cylinder after the game starts. A117302

Sum of n-th powers of divisors of 8. A34496

Pseudoprimes n to base 2 such that n+2 and n+4 are primes. A230489

a(n) is the smallest number m with n divisors d such that d^m mod m = d. A371513

Numerator of sum of -7th powers of divisors of n. A17677

Pseudoprimes to a twin prime criterion of Aebi and Cairns. A224695

Smallest sets of 3 consecutive odd numbers that are primes or pseudoprimes (base 2). The initial odd number is listed. A230808