Properties of the Number 64960

Sixty-Four Thousand Nine Hundred Sixty

Basics

Value: 64959 → 64960 → 64961

Parity: even

Prime: No

Previous Prime: 64951

Next Prime: 64969

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ⁶ × 5 × 7 × 29

Divisors: 1, 2, 4, 5, 7, 8, 10, 14, 16, 20

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111110111000000

Octal: 176700

Duodecimal: 31714

Hexadecimal: fdc0

Square: 4219801600

Square Root: 254.87251715318385

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

Number of separable multisets of size n covering an initial interval of positive integers. A336103

a(n) = ∑_k=1..9 a(n-k); a(8) = 1, a(n) = 0 for n < 8. A104144

Number of partitions of n into parts of 4 kinds. A23003

Number of ways to change three non-identical letters in the word aabbccdd..., where there are n types of letters. A102860

Number of general plane trees whose n-th subtree from the left is equal to the n-th subtree from the right, for all its subtrees (i.e., are palindromic in the shallow sense). A73192

Binomial transform of 1,0,1,0,1,1,1,... A84635

Expansion of g.f. (1+x)²*(x²-6·x+1)/(x-1)⁴. A136264

Expansion of (χ(-x) * χ(-x¹⁹))^-2 in powers of·where χ() is a Ramanujan θ function. A134004

If an array is made of columns of -nacci sequences, fibo-, tribo- etc. all starting w. 1,1,2 etc, the NW to SE diagonals can be extended by computation. The above is diagonal 10. See A159741 for details. A159747

The number of zeroless decimal numbers whose digital sum is n. A258800