Properties of the Number -7719

Seven Hundred Nineteen

Basics

Value: -7720 → -7719 → -7718

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 31 × 83

Divisors: 1, 3, 31, 83, 93, 249, 2573, 7719

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1111000100111

Octal: -17047

Duodecimal: -4573

Hexadecimal: -1e27

Square: 59582961

Square Root: 87.8578397184907

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 c(q⁴) / c(q) in powers of q where c() is a cubic AGM θ function. A123649

Expansion of q * (ψ(q³) * ψ(q⁶)) / (ψ(q) * φ(q)) in powers of q where φ(), ψ() are Ramanujan θ functions. A228447

Expansion of ψ(q⁵)/ψ(q) in powers of q where ψ() is a Ramanujan θ function. A116494

a(n) = n*(8·n+1). A139275

Starting numbers for which the RATS sequence has eventual period 14. A114615

Expansion of q * ψ(q²) * ψ(-q⁹) / (φ(-q³) * ψ(-q³)) in powers of q where φ(), ψ() are Ramanujan θ functions. A139214

Number of partitions of n into parts not of forms 4·k+2, 20·k, 10·k+5. A36026

Output of the linear congruential pseudo-random number generator rand() used in Microsoft's Visual C++. A96558

Expansion of (c(q²)/c(q))³ in powers of q where c() is a cubic AGM θ function. A123633

Numbers k such that k⁸¹*(k⁸¹+1)+1 is prime. A153442