Properties of the Number 56440

Fifty-Six Thousand Four Hundred Forty

Basics

Value: 56439 → 56440 → 56441

Parity: even

Prime: No

Previous Prime: 56437

Next Prime: 56443

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ³ × 5 × 17 × 83

Divisors: 1, 2, 4, 5, 8, 10, 17, 20, 34, 40

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1101110001111000

Octal: 156170

Duodecimal: 287B4

Hexadecimal: dc78

Square: 3185473600

Square Root: 237.57104200638597

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 arrangements of n+1 nonzero numbers x(i) in -k..k with the sum of trunc(x(i)/x(i+1)) equal to zero. A189545

Number of arrangements of n+1 nonzero numbers x(i) in -7..7 with the sum of trunc(x(i)/x(i+1)) equal to zero. A189543

Number of arrangements of 5 nonzero numbers x(i) in -n..n with the sum of trunc(x(i)/x(i+1)) equal to zero. A189548

a(n) = binomial(n²,n) mod n⁵. A371471

Number of primitive (period n) step cyclic shifted sequence structures using a maximum of three different symbols. A56440