Properties of the Number 81952

Eighty-One Thousand Nine Hundred Fifty-Two

Basics

Value: 81951 → 81952 → 81953

Parity: even

Prime: No

Previous Prime: 81943

Next Prime: 81953

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ⁵ × 13 × 197

Divisors: 1, 2, 4, 8, 13, 16, 26, 32, 52, 104

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100000000100000

Octal: 240040

Duodecimal: 3B514

Hexadecimal: 14020

Square: 6716130304

Square Root: 286.27259736132623

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

Triangular array: the fission of ((x+1)ⁿ) by ((2x+1)ⁿ). A193858

Lengths of intervals between special points in Recamán's sequence A005132. A65053

Number of binary strings of length n with no substrings equal to 0001 1010 or 1101. A164488

Number of (4+2) X (n+2) 0..3 arrays with every consecutive three elements in every row and diagonal having exactly two distinct values, and in every column and antidiagonal not having exactly two distinct values, and new values 0 upwards introduced in row major order. A252723

Smallest Fibonacci number which is one more than the product of n distinct numbers > 1. A81952