Properties of the Number -7993

Nine Hundred Ninety-Three

Basics

Value: -7994 → -7993 → -7992

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 7993

Divisors: 1, 7993

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1111100111001

Octal: -17471

Duodecimal: -4761

Hexadecimal: -1f39

Square: 63888049

Square Root: 89.40357934669059

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

Expansion of x²*(-3+4·x)/(1-x³+x⁴). A110061

Centered 12-gonal numbers, or centered dodecagonal numbers: numbers of the form 6·k*(k-1) + 1. A3154

Prime islands: for n >= 2, a(n) = least prime whose adjacent primes are exactly 2n apart; a(1) = 3 by convention. A46931

Primes with either no internal digits or all internal digits are 9. A69684

Lower prime of a pair of consecutive primes having a difference of 16. A31934

Sums of distinct powers of 6. A33043

Palindromic primes in base 8. A29976

Primes which can be expressed as sum of distinct powers of 6. A77720

Numbers n such that A003313(n) = A003313(2n). A86878

Largest prime < n³. A77037