Properties of the Number -1394

Three Hundred Ninety-Four

Basics

Value: -1395 → -1394 → -1393

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 17 × 41

Divisors: 1, 2, 17, 34, 41, 82, 697, 1394

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10101110010

Octal: -2562

Duodecimal: -982

Hexadecimal: -572

Square: 1943236

Square Root: 37.33630940518894

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

Square array A(n,k), n >= 1, k >= 0, read by antidiagonals: A(n,k) = ∑_d∣n (-1)^n/d+d*d^k. A322083

∏_n>=1 1 / (1 - a(n)*xⁿ/n!) = 1 + log(1 + x). A348205

G.f.: ∏_k>=1 1/(1+prime(k)*x^prime(k)). A298160

a(n) = ∑_{d divides n} (-1)^{d + n/d} * d⁴. A321560

Expansion of ∏_m>=1 1/(1 + m·q^m)⁶. A22698

Numerator of Hermite(n, 4/27). A160103

sigma₄(n): sum of 4th powers of divisors of n. A1159

Sequence and first differences (A030124) together list all positive numbers exactly once. A5228

a(n) = 2*(3ⁿ) - 2ⁿ. A27649

Array read by downwards antidiagonals: sigma_k(n) for n >= 1, k >= 0. A109974