Properties of the Number 64257

Sixty-Four Thousand Two Hundred Fifty-Seven

Basics

Value: 64256 → 64257 → 64258

Parity: odd

Prime: No

Previous Prime: 64237

Next Prime: 64271

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 21419

Divisors: 1, 3, 21419, 64257

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1111101100000001

Octal: 175401

Duodecimal: 31229

Hexadecimal: fb01

Square: 4128962049

Square Root: 253.4896447589132

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 0..k arrays of length n avoiding the consecutive pattern 0..k. A206455

T(n,k)=Number of length n+k 0..3 arrays with at most two downsteps in every k consecutive neighbor pairs. A255660

T(n,k)=Number of length n arrays x(i), i=1..n with x(i) in i..i+k and no value appearing more than 3 times. A250361

Number of 0..3 arrays of length n avoiding the consecutive pattern 0..3. A206450

Number of 0..n arrays of length n+5 avoiding the consecutive pattern 0..n. A206459

Number of length n+5 0..3 arrays with at most two downsteps in every n consecutive neighbor pairs. A255665

Values of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,41. A64257