Properties of the Number -64704

Sixty-Four Thousand Seven Hundred Four

Basics

Value: -64705 → -64704 → -64703

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ⁶ × 3 × 337

Divisors: 1, 2, 3, 4, 6, 8, 12, 16, 24, 32

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1111110011000000

Octal: -176300

Duodecimal: -31540

Hexadecimal: -fcc0

Square: 4186607616

Square Root: 254.36980952935434

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 T(n, k) read by rows. T(n, k) is the number of lists of k unlabeled permutations whose total length is n. A90238

a(n) = A080315(n) - 2^A000523(A080315(n)), i.e., the terms of A080315 without their most significant bit. A80316

Arises in enumerating Huffman codes, compact trees, and sums of unit fractions. A194631

Triangle of numbers T(n,k) = T(n-1,k-1) + ((n+k-1)/k)*T(n-1,k), n >= 1, 1 <= k <= n, with T(n,1) = n!, T(n,n) = 1; read from right to left. A59369

A014486-encoding of the Catalan mountain ranges with only even-length slopes allowed. A83932

Number of 2 X 2 nonsingular matrices having all terms in {1,...,n}. A211056

a(n) is the number of regular hexagons with all six vertices (x,y,z) in the set {1,2,...,n}³. A338322

Number of binary strings of length n with equal numbers of 00001 and 10100 substrings. A164206