Properties of the Number 71998

Seventy-One Thousand Nine Hundred Ninety-Eight

Basics

Value: 71997 → 71998 → 71999

Parity: even

Prime: No

Previous Prime: 71993

Next Prime: 71999

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 2 × 35999

Divisors: 1, 2, 35999, 71998

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001100100111110

Octal: 214476

Duodecimal: 357BA

Hexadecimal: 1193e

Square: 5183712004

Square Root: 268.3244304941315

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

Location of record values in A080577; also partial sums of A006128 plus 1. A124920

Number of n X 5 0..4 arrays with each element equal to the number its horizontal and vertical neighbors equal to 2. A197058

Write n in binary, interpret that as a decimal number, convert back to binary. A71998

Numbers k such that d(k) = d(k+1) = 12. A174456