Properties of the Number -122

One Hundred Twenty-Two

Basics

Value: -123 → -122 → -121

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 5

Digital Root: 5

Palindrome: No

Factorization: 2 × 61

Divisors: 1, 2, 61, 122

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1111010

Octal: -172

Duodecimal: -A2

Hexadecimal: -7a

Square: 14884

Square Root: 11.045361017187261

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

T(n,0) = prime(n), T(n,k) = T(n,k-1)-T(n-1,k-1), 0<=k<n, triangle read by rows. A95195

The η triangle. A160464

Array read by antidiagonals downward where A(n,k) is the n-th term of the k-th differences of the noncomposite numbers (A008578). A376682

Expansion of square of continued fraction 1/ ( 1+q/ ( 1+q²/ ( 1+q³/ ( 1+q⁴/... )))). A55101

Expansion of f(-x²)² * f(x, x²) / f(-x³)³ in powers of·where f(,) is a Ramanujan θ function. A132179

McKay-Thompson series of class 18D for the Monster group. A62242

Deficiency computed for conjugated prime factorization: a(n) = A033879(A122111(n)). A323174

Coefficients of the '3rd-order' mock θ function ν(q). A53254

McKay-Thompson series of class 36B for the Monster group. A62244

G.f.: Re((i; x)_inf), where (a; q)_inf is the q-Pochhammer symbol, i = sqrt(-1). A278399