Properties of the Number 30080

Thirty Thousand Eighty

Basics

Value: 30079 → 30080 → 30081

Parity: even

Prime: No

Previous Prime: 30071

Next Prime: 30089

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 ⁷ × 5 × 47

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111010110000000

Octal: 72600

Duodecimal: 154A8

Hexadecimal: 7580

Square: 904806400

Square Root: 173.4358671094304

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

a(n) = ∑_k=0..n C(2k,k)*C(2k,n-k); equals row 0 of square array A137634. A137635

T(n,k)=Number of length n+4 0..k arrays with no five consecutive terms having the maximum of any two terms equal to the minimum of the remaining three terms. A249844

Triangle T(n,k) = Number of k-cycles on the graph of an n-orthoplex. n>=2, k>=3. A167986

Square array where T(n,k) = ∑_j=0..k C(n+2·j,j)*C(n+2·j,k-j), read by antidiagonals. A137634

Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 377", based on the 5-celled von Neumann neighborhood. A281631

Expansion of ∏_k>=1 1/(1 - x^k*(k+1/2))². A298435

Numbers k for which A003415(k) >= A276086(k) > k, where A003415 is the arithmetic derivative and A276086 is the primorial base exp-function. A351229

Square array T(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where T(n,k) = ∑_j=0..n binomial(2·j,j) * binomial(k·j,n-j). A361830

Numbers k such that A322582(k) <= A276086(k) <= A348507(k). A392602

Number of perfect cube parts in all partitions of n. A264392