Properties of the Number -215326

Two Hundred Fifteen Thousand Three Hundred Twenty-Six

Basics

Value: -215327 → -215326 → -215325

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 23 × 31 × 151

Divisors: 1, 2, 23, 31, 46, 62, 151, 302, 713, 1426

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110100100100011110

Octal: -644436

Duodecimal: -A473A

Hexadecimal: -3491e

Square: 46365286276

Square Root: 464.0323264601293

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

Even pseudoprimes (or primes) to base 2: even numbers k that divide 2^k - 2. A6935

Number of n edge connected achiral planar maps with an external face in which all internal faces are triangles. A378342

Number of minimal total dominating sets in the n-barbell graph. A302650

Smallest base-2 even pseudoprime (A006935) with exactly n prime factors, or 0 if no such number exists. A270973

Even composites m such that A003499(m)==6 (mod m). A338311