Properties of the Number 66855

Sixty-Six Thousand Eight Hundred Fifty-Five

Basics

Value: 66854 → 66855 → 66856

Parity: odd

Prime: No

Previous Prime: 66853

Next Prime: 66863

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 4457

Divisors: 1, 3, 5, 15, 4457, 13371, 22285, 66855

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000010100100111

Octal: 202447

Duodecimal: 32833

Hexadecimal: 10527

Square: 4469591025

Square Root: 258.56333846854625

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

Square roots of partial sums of A386369 that are square numbers. A386370

Triangle T(n,k) of numbers of representations of n as a sum of k products of positive integers, k=1..n. 1 is not allowed as a factor, unless it is the only factor.Representations which differ only in the order of terms or factors are considered equivalent. A66855