Properties of the Number -66822

Sixty-Six Thousand Eight Hundred Twenty-Two

Basics

Value: -66823 → -66822 → -66821

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 7 × 37 × 43

Divisors: 1, 2, 3, 6, 7, 14, 21, 37, 42, 43

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -10000010100000110

Octal: -202406

Duodecimal: -32806

Hexadecimal: -10506

Square: 4465179684

Square Root: 258.4995164405535

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

Euler transform of A027656(n-1). A35528

T(n,k)=1/12 the number of (n+2)X(k+2) 0..2 arrays with each 3X3 subblock containing one of one value, three of another, and five of the last. A184505

Squarefree oblong (pronic) numbers having an odd number of prime factors. A98827

Number of binary strings of length n with no substrings equal to 0000 0010 or 1001. A164421

1/12 the number of (n+2)X4 0..2 arrays with each 3X3 subblock containing one of one value, three of another, and five of the last. A184500

1/12 the number of (n+2)X6 0..2 arrays with each 3X3 subblock containing one of one value, three of another, and five of the last. A184502

Oblong numbers which are products of five distinct primes. A359304

a(n) is the area of the largest rectangle that can be formed from n sticks whose lengths are 1, 2, ..., n. A381769

a(1) = 8; for n > 1, a(n) is the largest integer m such that m = ((2·x*a(n-1)) / (x+1)) - x, with·a positive nontrivial divisor of m. A338026