Properties of the Number 65842

Sixty-Five Thousand Eight Hundred Forty-Two

Basics

Value: 65841 → 65842 → 65843

Parity: even

Prime: No

Previous Prime: 65839

Next Prime: 65843

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 7 × 4703

Divisors: 1, 2, 7, 14, 4703, 9406, 32921, 65842

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000000100110010

Octal: 200462

Duodecimal: 3212A

Hexadecimal: 10132

Square: 4335168964

Square Root: 256.5969602314104

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

Expansion of ∏_k>=1 (1 + (k-1)*x^k). A267007

Number of partitions p of 2n-1 such that n - (number of parts of p) is a part of p. A238641

Number of 4Xn arrays of the minimum value of corresponding elements and their horizontal, vertical or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 4Xn array. A219818

T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal, vertical or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 nXk array. A219816

a(1) = 1; a(2) = 2; a(3) = 3; a(n) is concatenation of a(n-3), a(n-2) and a(n-1); the digits on the right of the first 3 (if any) are then swapped with the digits on the left. A65842