Properties of the Number -122638

One Hundred Twenty-Two Thousand Six Hundred Thirty-Eight

Basics

Value: -122639 → -122638 → -122637

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 17 × 3607

Divisors: 1, 2, 17, 34, 3607, 7214, 61319, 122638

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11101111100001110

Octal: -357416

Duodecimal: -5AB7A

Hexadecimal: -1df0e

Square: 15040079044

Square Root: 350.19708736652854

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

G.f.: A(x) = exp( ∑_n>=1 A183240(n)*xⁿ/n ) where A183240 is the sums of the squares of multinomial coefficients. A183241

Weighted count of equivalence classes of words w of length n+3 over {a, b, c, d, A, *} having exactly n letters, exactly three *'s, an even number of lowercase a's, and weight (-1)^A(w), where A(w) is the number of uppercase letters A. A390530

T(2n,n), T given by A026659. A26660

T(n,[ n/2 ]), T given by A026659. A26665

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 0), (1, -1, -1), (1, 0, 1), (1, 1, 0)}. A150378