Properties of the Number -1427

Four Hundred Twenty-Seven

Basics

Value: -1428 → -1427 → -1426

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 1427

Divisors: 1, 1427

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10110010011

Octal: -2623

Duodecimal: -9AB

Hexadecimal: -593

Square: 2036329

Square Root: 37.77565353504821

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 2 μ(q). A53273

Expansion of 1/(1 + x/(1 + x⁴/(1 + x⁹/(1 + x¹⁶/(1 + x²⁵/(1 + ... + x^k²/(1 + ...))))))), a continued fraction. A285408

L.g.f.: ∑_n>=1 (x - x^2·n-1)^2·n-1 / (2·n-1). A293597

Numerators of the partial alternating sums of the reciprocals of the unitary totient function (A047994). A379519

Expansion of x³*(x-1)*(x+1) / (x⁵-2·x⁴+x²-1). A135990

Lesser of twin primes. A1359

Initial members of prime triples (p, p+2, p+6). A22004

Larger member p+4 of cousin primes (p, p+4). A46132

List of codewords in binary lexicode with Hamming distance 4 written as decimal numbers. A75928

Number of compositions (ordered partitions) of n into squares. A6456