Properties of the Number 64407

Sixty-Four Thousand Four Hundred Seven

Basics

Value: 64406 → 64407 → 64408

Parity: odd

Prime: No

Previous Prime: 64403

Next Prime: 64433

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 × 3067

Divisors: 1, 3, 7, 21, 3067, 9201, 21469, 64407

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1111101110010111

Octal: 175627

Duodecimal: 31333

Hexadecimal: fb97

Square: 4148261649

Square Root: 253.7853423663392

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

Triangle of coefficients of p(x,n) = (1/4)*(1-x)ⁿ⁺¹*∑_{m >= 0} ((2·m- 1)ⁿ - (2·m+3)ⁿ)*x^m, read by rows. A154852

Number of binary strings of length n with equal numbers of 00011 and 00100 substrings. A164228

Number of (1+2)X(n+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 2 3 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 2 3 6 or 7. A252533

Even numbers not the sum of a pair of the lesser of the twin primes. A64407