Properties of the Number -30802

Thirty Thousand Eight Hundred Two

Basics

Value: -30803 → -30802 → -30801

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 × 15401

Divisors: 1, 2, 15401, 30802

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111100001010010

Octal: -74122

Duodecimal: -159AA

Hexadecimal: -7852

Square: 948763204

Square Root: 175.50498568416796

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

Number of series-reduced planted trees with n nodes. A1678

Indices of primes where largest gap occurs. A5669

T(n,k) = Number of n X k nonnegative integer arrays with upper left 0 and lower right n+k-5 and value increasing by 0 or 1 with every step right or down. A252976

Index of the primes of A205827, A000720(A205827(n)). A214935

Indices of primes occurring in A031133. A122412

a(n) is the index of the smallest prime such that the gap to the next prime is not less than 2·n. A144309

a(n) is the index k of prime(k), such that abs(prime(k) - ∑_j=k-2..k+2 prime(j)/5) sets a new record. A337438

a(n) is the index k of prime(k), such that abs(prime(k) - ∑_j=k-1..k+1 prime(j)/3) sets a new record. A337488

a(n) is the least k such that the number of integers between (1/5)*prime(k) and (1/5)*prime(k+1) is n. A390786

Indices (i.e., value of A000720 = primepi) of primes in A111870. A241542