Properties of the Number 61554

Sixty-One Thousand Five Hundred Fifty-Four

Basics

Value: 61553 → 61554 → 61555

Parity: even

Prime: No

Previous Prime: 61553

Next Prime: 61559

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 10259

Divisors: 1, 2, 3, 6, 10259, 20518, 30777, 61554

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111000001110010

Octal: 170162

Duodecimal: 2B756

Hexadecimal: f072

Square: 3788894916

Square Root: 248.10078597215286

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

Number of (n+1) X (6+1) 0..1 arrays with nondecreasing x(i,j)+x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction. A250727

Square table read by antidiagonals: a(n,k) = binomial(n+k, floor(k/2)). A61554

T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with nondecreasing x(i,j)+x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction. A250729