Properties of the Number 7025

Seven Thousand Twenty-Five

Basics

Value: 7024 → 7025 → 7026

Parity: odd

Prime: No

Previous Prime: 7019

Next Prime: 7027

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 5 ² × 281

Divisors: 1, 5, 25, 281, 1405, 7025

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101101110001

Octal: 15561

Duodecimal: 4095

Hexadecimal: 1b71

Square: 49350625

Square Root: 83.81527307120105

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

Start with a(1) = 1; then a(n) = smallest number > a(n-1) such that a(n) divides concat(a(1), a(2), ..., a(n)). A171785

Numbers m such that the decimal number concat(8,m) is a square. A273363

Number of numbers in row n of the array at A243848. A243850

Number of partitions of n into nontrivial divisors of n. A293813

Average of row n of A082259. A82262

Number of base 31 n-digit numbers with adjacent digits differing by one or less. A126385

Eight white queens and one red queen on a 3 X 3 chessboard. G.f.: (1 + x)/(1 - 5·x - 5·x²). A180033

Triangle read by rows, derived from an array of sequences generated from (1 + x)/ (1 - r·x - r·x²). A180165

Rectangular array A(n, k) = hypergeom([-k, k + n/2 - 1], [1], -4) with row n >= 0 and k >= 0, read by ascending antidiagonals. A300945

Numbers k such that continued fraction of (1 + sqrt(k))/2 has period 11. A146335