Properties of the Number 68448

Sixty-Eight Thousand Four Hundred Forty-Eight

Basics

Value: 68447 → 68448 → 68449

Parity: even

Prime: No

Previous Prime: 68447

Next Prime: 68449

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 ⁵ × 3 × 23 × 31

Divisors: 1, 2, 3, 4, 6, 8, 12, 16, 23, 24

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000101101100000

Octal: 205540

Duodecimal: 33740

Hexadecimal: 10b60

Square: 4685128704

Square Root: 261.6256868122853

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 integer partitions of n whose parts do not have choosable sets of strict integer partitions. A387137

Smallest number of triangulations of n points in the plane. A63544

Values of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,41. A64257

Number of (2+1) X (n+1) 0..1 arrays x(i,j) with row sums sum{x(i,j), j=1..n+1} nondecreasing, and column sums sum{i·x(i,j), i=1..2+1} nondecreasing. A233063

Duplicate of A063544. A276145

Factorial expansion of log(π) = ∑_n>0 a(n)/n! with a(n) as large as possible. A68448