Properties of the Number 30004

Thirty Thousand Four

Basics

Value: 30003 → 30004 → 30005

Parity: even

Prime: No

Previous Prime: 29989

Next Prime: 30011

Digit Sum: 7

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 13 × 577

Divisors: 1, 2, 4, 13, 26, 52, 577, 1154, 2308, 7501

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111010100110100

Octal: 72464

Duodecimal: 15444

Hexadecimal: 7534

Square: 900240016

Square Root: 173.216627377397

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

Numbers n with property that n is a substring of its base 5 representation. A38105

Row sums of triangle A145367 (S1hat(-3)) and partition array A145366 (M31hat(-3)). A145368

E.g.f.: ∑_n>=0 xⁿ * exp(3·2ⁿ*x) / n!. A340332

Let x(0)x(1)x(2)... x(q) denote the decimal expansion of n. Sequence lists the numbers n such that the suffix of decimal expansion x(1)x(2)... x(q) is the x(0)-th divisor of n. A234314

Consider a number n with m decimal digits. The sequence lists the numbers n having the suffix of length m-1 in the middle of the decimal expansion of n². A242964

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 195", based on the 5-celled von Neumann neighborhood. A270691

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, -1), (-1, 1, 1), (0, 1, 0), (1, 0, 0)}. A149933

Number of prime quadruples with smallest member < 2ⁿ. A215473

Number x = concat(MSD(x),b) such that MSD(x)*b = d(x), where MSD(x) is the Most Significant Digit of·and d(x) is the number of divisors of x. A291618

Numbers that are the sum of 5 positive 4th powers. A3339