Properties of the Number -369

Three Hundred Sixty-Nine

Basics

Value: -370 → -369 → -368

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 41

Divisors: 1, 3, 9, 41, 123, 369

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101110001

Octal: -561

Duodecimal: -269

Hexadecimal: -171

Square: 136161

Square Root: 19.209372712298546

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 3rd-order mock θ function f(q). A25

Values of n such that L(1) and N(1) are both prime, where L(k) = (n²+n+1)*2^2·k + (2·n+1)*2^k + 1, N(k) = (n²+n+1)*2^k + n. A226921

FP4 polynomials related to the o.g.f.s of the columns of the A156925 matrix. A156933

Expansion of (1-x-x^N)/((1-x)(1-x²)(1-x³)...(1-x^N)) for N = 8. A60027

Coefficient of q²ⁿ in the series expansion of Ramanujan's mock θ function f(q). A39

a(0)=0; thereafter a(n) = a(n-1)+n if the (n-1)st digit of the sequence is even, otherwise a(n) = a(n-1)-n. A309216

a(1) = 1; a(n) = ∑_k=2..n (-1)^k * k·a(floor(n/k)). A359479

Matrix inverse of A107719. A107727

Expansion of (1-x)/(1-x-x²+2·x³). A78011

Alternating sum of heptagonal numbers. A266085