Properties of the Number -137

One Hundred Thirty-Seven

Basics

Value: -138 → -137 → -136

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 137

Divisors: 1, 137

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10001001

Octal: -211

Duodecimal: -B5

Hexadecimal: -89

Square: 18769

Square Root: 11.704699910719626

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

Coefficients of the '6th-order' mock θ function φ(q). A53268

a(n) = nearest integer to n² * cos(sqrt(n)). A274090

Take alternate terms of A274088 and A274090. A274091

a(n) = nearest integer to k²*sin(sqrt(k)+j*π/2) where n = 3·k+j, 0<=j<3. A274092

Reflected tetranacci numbers A073817. A74058

Dirichlet convolution of A064664 (the inverse permutation of EKG-permutation, A064413) with the Dirichlet inverse of A064413. A349614

Self-convolution cube-root of A106216, which consists entirely of digits {0,1,2} after the initial terms {1,3}. A106219

Numerators of a semi-convergent series leading to the first Stieltjes constant gamma₁. A262382

Irregular table read by rows: T(n, k) is the coefficient of x^k in the chromatic polynomial of the 1-skeleton of the n-dimensional cross polytope, 0 <= k <= 2n. A334279

Partial alternating sums of the sum of unitary divisors function (A034448). A370898