Properties of the Number -5980

Nine Hundred Eighty

Basics

Value: -5981 → -5980 → -5979

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 5 × 13 × 23

Divisors: 1, 2, 4, 5, 10, 13, 20, 23, 26, 46

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -1011101011100

Octal: -13534

Duodecimal: -3564

Hexadecimal: -175c

Square: 35760400

Square Root: 77.33045971672482

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

Expansion of f(x, -x⁴) / φ(-x²) in powers of·where f(, ) and φ() are Ramanujan θ functions. A122135

a(n) = 2·binomial(5·n+1,n)/(4·n+2). A118969

Numbers having exactly three prime gaps in their factorization. A73495

a(4n+k) = (k+1)*binomial(5n+k,n)/(4n+k+1), k=0..3. A118968

Iccanobirt numbers (3 of 15): a(n) = a(n-1) + R(a(n-2)) + R(a(n-3)), where R is the digit reversal function A004086. A102113

a(n) = ∑_k=1..n-1 lcm(k,n-k). A6580

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

a(n) = p(n)*p(n+2)-p(n+1), where p(n) is the n-th prime. A152530

Number of partitions of n such that the least part occurs exactly five times. A97093