Properties of the Number 25402

Twenty-Five Thousand Four Hundred Two

Basics

Value: 25401 → 25402 → 25403

Parity: even

Prime: No

Previous Prime: 25391

Next Prime: 25409

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 × 13 × 977

Divisors: 1, 2, 13, 26, 977, 1954, 12701, 25402

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110001100111010

Octal: 61472

Duodecimal: 1284A

Hexadecimal: 633a

Square: 645261604

Square Root: 159.38004893963358

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 nXk 0..3 arrays with rows and columns in lexicographic nondecreasing order but with exactly two mistakes. A278553

a(n) = ∑_{k=0..floor(2·n/5)} (k+1) * binomial(k,2·n-5·k). A392268

a(n) = ∑_{k=0..floor(3·n/5)} (k+1) * binomial(k,3·n-5·k). A392311

Number of nX2 0..3 arrays with rows and columns in lexicographic nondecreasing order but with exactly two mistakes. A278548

Number of nX4 0..3 arrays with rows and columns in lexicographic nondecreasing order but with exactly two mistakes. A278550

Numbers that are the sum of 3 distinct positive cubes in 3 or more ways. A25402

Numbers with digit sum 13 that are multiples of 13. A283737