Properties of the Number 67442

Sixty-Seven Thousand Four Hundred Forty-Two

Basics

Value: 67441 → 67442 → 67443

Parity: even

Prime: No

Previous Prime: 67433

Next Prime: 67447

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 33721

Divisors: 1, 2, 33721, 67442

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10000011101110010

Octal: 203562

Duodecimal: 33042

Hexadecimal: 10772

Square: 4548423364

Square Root: 259.6959760951255

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

Antidiagonal-sums of the absolute value of the array A377051(n,k) = n-th term of k-th differences of powers of primes. A377053

T(n,k)=Number of 2nX2k 0..4 arrays with values 0..4 introduced in row major order and each element equal to an even number of horizontal and vertical neighbors. A198538

Expansion of ∏_k>=1 ((1 + x^2·k)/(1 - x^2·k-1))^k. A295831

Reversals of Lucas numbers (sorted). A140463

Number of n X 3 0..1 arrays with every element equal to 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero. A298141

Triangle read by rows: T(n,k) is number of hex trees with n edges and level of first leaf (in the preorder traversal) equal to k (1 <= k <= n). A126186

Number of 2n X 2 0..4 arrays with values 0..4 introduced in row major order and each element equal to an even number of horizontal and vertical neighbors. A198535

Lucas numbers written backwards. A267551

Number of 2nX6 0..4 arrays with values 0..4 introduced in row major order and each element equal to an even number of horizontal and vertical neighbors. A198537

a(1) = 1 and then smallest nontrivial n-th power starting with 1. A67442