Properties of the Number 68942

Sixty-Eight Thousand Nine Hundred Forty-Two

Basics

Value: 68941 → 68942 → 68943

Parity: even

Prime: No

Previous Prime: 68927

Next Prime: 68947

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 × 34471

Divisors: 1, 2, 34471, 68942

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000110101001110

Octal: 206516

Duodecimal: 33A92

Hexadecimal: 10d4e

Square: 4752999364

Square Root: 262.56808640807816

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

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the sum of each 2X2 subblock two extreme terms minus its two median terms lexicographically nondecreasing columnwise and nonincreasing rowwise. A235779

Cube root of A030697. A30698

Number of (n+1)X(2+1) 0..3 arrays with the sum of each 2X2 subblock two extreme terms minus its two median terms lexicographically nondecreasing columnwise and nonincreasing rowwise. A235777

Number of length 1+3 0..n arrays with every four consecutive terms having the sum of some three elements equal to three times the fourth. A248538

a(n) = Bo(n²), n=0,1..., where Bo(n) are the ordered Bell numbers, A000670. A68942