Properties of the Number -7927

Nine Hundred Twenty-Seven

Basics

Value: -7928 → -7927 → -7926

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 7927

Divisors: 1, 7927

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1111011110111

Octal: -17367

Duodecimal: -4707

Hexadecimal: -1ef7

Square: 62837329

Square Root: 89.03370148432559

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

T(n,k)=Number of nXk 0..2 arrays with antidiagonals unimodal and rows and diagonals nondecreasing. A223999

Numbers k such that prime(k) + prime(k+1) + prime(k+2) is a square. A76305

Primes of the form 2·n² + 58·n + 27. A217498

Numbers n such that the decimal expansions of both n and n² have 2 as smallest digit and 9 as largest digit. A257485

Primes having only {2, 7, 9} as digits. A261182

a(n) is defined by the condition that the decimal expansion of ∑_n>0 1/a(n)ⁿ = 1/a(1)¹ + 1/a(2)² + 1/a(3)³ + ... begins with the concatenation of these numbers; also a(1) = 3 and a(n) > a(n-1). A324222

Least b > p_n² such that [p₁²,p₂²,...,p_n²] in base b is prime, where p_j denotes the j-th prime. A224197

Primes of the form k²+6. A56909

Primes p such that the sum of the digits of p is not prime, but the sum of the cubes of the digits of p is prime. A91365

Primes of the form p² + 6 where p is prime. A79141