Properties of the Number -30377

Thirty Thousand Three Hundred Seventy-Seven

Basics

Value: -30378 → -30377 → -30376

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 37 × 821

Divisors: 1, 37, 821, 30377

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111011010101001

Octal: -73251

Duodecimal: -156B5

Hexadecimal: -76a9

Square: 922762129

Square Root: 174.28998823799375

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 ways to place any number of black and any number of white nonattacking knights on a (n+2)X(k+2) board. A251531

Numbers k such that 27·2^k-1 is prime. A50539

Numbers n such that n'' = n'+1 where n' and n'' are respectively the first and the second arithmetic derivative of n (A003415). A189639

Numbers n such that φ(n) = 3*φ(n+1). A256907

a(n) = ∑_k=0..n T(n,k) * T(n,n+k), with T given by A027023. A27046

Number of ways to place any number of black and any number of white nonattacking knights on a (n+2)X(1+2) board. A251526

Number of ways to place any number of black and any number of white nonattacking knights on a (n+2)X(2+2) board. A251527

Numbers k for which σ(k) = k + k'', where k'' is the second derivative of k (A068346). A348426