Properties of the Number 72399

Seventy-Two Thousand Three Hundred Ninety-Nine

Basics

Value: 72398 → 72399 → 72400

Parity: odd

Prime: No

Previous Prime: 72383

Next Prime: 72421

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 24133

Divisors: 1, 3, 24133, 72399

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001101011001111

Octal: 215317

Duodecimal: 35A93

Hexadecimal: 11acf

Square: 5241615201

Square Root: 269.07062269969197

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 0, 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero. A304419

T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 2, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero. A316244

Number of nX3 0..1 arrays with every element unequal to 0, 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero. A304414

Number of partitions of n into parts whose bitwise AND equals 0. A307435

Number of length 3+4 0..n arrays with every five consecutive terms having two times the sum of some three elements equal to three times the sum of the remaining two. A248990

T(n,k)=Number of length n+4 0..k arrays with every five consecutive terms having two times the sum of some three elements equal to three times the sum of the remaining two. A248987

Denominator of best approximation to π with denominator <= 10ⁿ. A72399