Properties of the Number 68722

Sixty-Eight Thousand Seven Hundred Twenty-Two

Basics

Value: 68721 → 68722 → 68723

Parity: even

Prime: No

Previous Prime: 68713

Next Prime: 68729

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 34361

Divisors: 1, 2, 34361, 68722

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10000110001110010

Octal: 206162

Duodecimal: 3392A

Hexadecimal: 10c72

Square: 4722713284

Square Root: 262.14881269996243

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

Numbers k such that (8·10^k + 49)/3 is prime. A270890

Number of binary strings of length n avoiding "squares" (that is, repeated blocks of the form xx) with |x| > 3. A230177

Number of 6-bead necklaces labeled with numbers -n..n not allowing reversal, with sum zero with no three beads in a row equal. A208948

Number of n-bead necklaces labeled with numbers -7..7 not allowing reversal, with sum zero with no three beads in a row equal. A208944

Number of solenoidal flows (flow in = flow out) in a 3 X 3 square array with integer velocities -n .. n. A68722

T(n,k) = number of n-bead necklaces labeled with numbers -k..k not allowing reversal, with sum zero with no three beads in a row equal. A208945