Properties of the Number 66836

Sixty-Six Thousand Eight Hundred Thirty-Six

Basics

Value: 66835 → 66836 → 66837

Parity: even

Prime: No

Previous Prime: 66821

Next Prime: 66841

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 7 ² × 11 × 31

Divisors: 1, 2, 4, 7, 11, 14, 22, 28, 31, 44

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000010100010100

Octal: 202424

Duodecimal: 32818

Hexadecimal: 10514

Square: 4467050896

Square Root: 258.5265943766714

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 sequences with terms 1, 2 or 3 summing to n with no three consecutive 1's. A123908

Triangular array read by rows, T(n,k) = number of partial functions on {1,2,...,n} with exactly k cycles. A216520

Starting at the chess position shown, a(n) is the number of ways Black can make n consecutive moves, followed by a checkmate in one move by White. A78993

Harary index of the n X n queen graph. A296196

Values of unimodal polynomial analogous to A302612 and A302644 arising from a partition size <= 4 restriction. A302645

Numbers z such that x² + y⁷ = z² for positive integers·and y. A293692

Least number k such that k divides the average of prime(k-n) and prime(k+n). A66836