Properties of the Number 72401

Seventy-Two Thousand Four Hundred One

Basics

Value: 72400 → 72401 → 72402

Parity: odd

Prime: No

Previous Prime: 72383

Next Prime: 72421

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 7 × 10343

Divisors: 1, 7, 10343, 72401

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001101011010001

Octal: 215321

Duodecimal: 35A95

Hexadecimal: 11ad1

Square: 5241904801

Square Root: 269.0743391704233

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 m such that the decimal digits of m are exactly the same as those of all the indices corresponding to the prime factors of m. A287916

1 iff n is of the form 4^m*(8k+7). A72401