Properties of the Number 72715

Seventy-Two Thousand Seven Hundred Fifteen

Basics

Value: 72714 → 72715 → 72716

Parity: odd

Prime: No

Previous Prime: 72707

Next Prime: 72719

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 × 14543

Divisors: 1, 5, 14543, 72715

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001110000001011

Octal: 216013

Duodecimal: 360B7

Hexadecimal: 11c0b

Square: 5287471225

Square Root: 269.657189779913

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 nXk 0..1 arrays with every element unequal to 1, 2, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero. A317733

Number of nX4 0..1 arrays with every element unequal to 0, 1, 2, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero. A317379

Number of nX3 0..1 arrays with every element unequal to 1, 2, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero. A317728

Number of nX6 0..1 arrays with every element unequal to 1, 2, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero. A317731

T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 1, 2, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero. A317383

Record differences between n-th prime and 2n-th prime. A72715