Properties of the Number 58813

Fifty-Eight Thousand Eight Hundred Thirteen

Basics

Value: 58812 → 58813 → 58814

Parity: odd

Prime: No

Previous Prime: 58789

Next Prime: 58831

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 103 × 571

Divisors: 1, 103, 571, 58813

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1110010110111101

Octal: 162675

Duodecimal: 2A051

Hexadecimal: e5bd

Square: 3458968969

Square Root: 242.51391712641978

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 (n+2)Xk 0..1 arrays with all rows having a nonnegative second derivative, and all and columns having a positive second derivative in a quadratic least squares fit, with one and two element arrays taken as having a zero second derivative. A223652

G.f. A(x) satisfies A(x) = 1 + x⁴*(1+x)²*A(x)³. A366592

Composites in base 10 that remain composite in exactly four bases b, 2 <= b <= 10, expansions interpreted as decimal numbers. A256354

Numbers that can be represented in more than one way as p²+p·q+q² with p and q primes, p<=q. A349987

Expansion of g.f. exp( ∑_n>=1 (2ⁿ+3ⁿ)²*xⁿ/n ). A174515

Semiprimes k such that k+4, k+6, k+9, k+10 and k+14 are also semiprimes. A360666

Numbers k such that k + 4, k + 6, k + 9, k + 10, and k + 14 are all semiprimes, where 4, 6, 9, 10, 14 are the first 5 semiprimes. A365240

Number of 4Xn 0..1 arrays with all rows having a nonnegative second derivative, and all and columns having a positive second derivative in a quadratic least squares fit, with one and two element arrays taken as having a zero second derivative. A223654

Unlabeled (i.e., equivalent to their 1-0 complement) binary necklaces sorted in ascending lexicographic order and read as binary numbers. A58813