Properties of the Number 68838

Sixty-Eight Thousand Eight Hundred Thirty-Eight

Basics

Value: 68837 → 68838 → 68839

Parity: even

Prime: No

Previous Prime: 68821

Next Prime: 68863

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 7 × 11 × 149

Divisors: 1, 2, 3, 6, 7, 11, 14, 21, 22, 33

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: 10000110011100110

Octal: 206346

Duodecimal: 33A06

Hexadecimal: 10ce6

Square: 4738670244

Square Root: 262.36996779357196

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 nXnXn triangular 0..k arrays with some element plus some adjacent element totalling k+1, k or k-1 exactly once. A270850

Number of partitions of the n-th n-gonal number into n-gonal numbers. A337762

Generalized centered polygonal numbers. A81282

An interleaved sequence of pyramidal and polygonal numbers. A81284

Number of 3X3X3 triangular 0..n arrays with some element plus some adjacent element totalling n+1, n or n-1 exactly once. A270852

a(n) = (n + 2)*(n² + n - 1). A318765

Smallest prime with concatenation of first n even numbers as leading digits. A68838

Number of (n+2) X (3+2) 0..3 arrays with every 3 X 3 subblock row and column sum equal to 0 2 5 6 or 7 and every 3 X 3 diagonal and antidiagonal sum not equal to 0 2 5 6 or 7. A252509