Properties of the Number -1493

Four Hundred Ninety-Three

Basics

Value: -1494 → -1493 → -1492

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 1493

Divisors: 1, 1493

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10111010101

Octal: -2725

Duodecimal: -A45

Hexadecimal: -5d5

Square: 2229049

Square Root: 38.63935817272331

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

Array T(n, m) read by ascending antidiagonals: numerators of shifted Bernoulli numbers B(n, m) where m >= 0. A338873

E.g.f. A(x) satisfies A(x) = exp( x * (1-x) * A(x) ). A389104

Engel expansion for (negative) constant defined in A078756. A80231

Coefficients of polynomials arising from applying the complete Bell polynomials to k!B_k(x) where B_k(x) are the Bernoulli polynomials. A276998

Primes of the form 2x² + 2xy + 17y². A139827

Primes that become another prime under the map 8 <-> 9 (acting on the decimal digits). A175789

Primes that are the sum of three consecutive primes. A34962

Number of multiset partitions of integer partitions of n with all distinct block sizes. A358836

a(n) = m*(2^e) + ((4^e)-1)/3, where m = 3n+1, and e is the 2-adic valuation of m. A371094

Members of A164368 which are not Ramanujan primes. A164288