Properties of the Number -87434

Eighty-Seven Thousand Four Hundred Thirty-Four

Basics

Value: -87435 → -87434 → -87433

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 43717

Divisors: 1, 2, 43717, 87434

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10101010110001010

Octal: -252612

Duodecimal: -42722

Hexadecimal: -1558a

Square: 7644704356

Square Root: 295.6924077483221

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

Triangle read by rows: T(n,k) is the number of up-down permutations of {1,2,...,n} having genus k (see first comment for definition of genus). A178516

Engel expansion of hz = limit_{k -> infinity} 1 + k - ∑_{j = -k..k} exp(-2^j). A159835

Numbers k such that 403·2^k+1 is prime. A323101