Properties of the Number 56871

Fifty-Six Thousand Eight Hundred Seventy-One

Basics

Value: 56870 → 56871 → 56872

Parity: odd

Prime: No

Previous Prime: 56857

Next Prime: 56873

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 71 × 89

Divisors: 1, 3, 9, 71, 89, 213, 267, 639, 801, 6319

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101111000100111

Octal: 157047

Duodecimal: 28AB3

Hexadecimal: de27

Square: 3234310641

Square Root: 238.4764139280864

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

Engel expansion of the Dottie number, A003957. A182503

a(1) = 1; a(n) = -∑_k=2..n k³ * a(floor(n/k)). A360658

Numbers n not of the form i²+(i+1)² such that there are integers a < b with a²+(a+1)²+...+(n-1)² = n²+(n+1)²+...+b². A94523

Sum of partial sums of partition numbers (A026905) and partial sums of numbers of partitions into distinct parts (A026906). A56871