Properties of the Number 97999

Ninety-Seven Thousand Nine Hundred Ninety-Nine

Basics

Value: 97998 → 97999 → 98000

Parity: odd

Prime: No

Previous Prime: 97987

Next Prime: 98009

Digit Sum: 43

Digital Root: 7

Palindrome: No

Factorization: 11 × 59 × 151

Divisors: 1, 11, 59, 151, 649, 1661, 8909, 97999

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111111011001111

Octal: 277317

Duodecimal: 48867

Hexadecimal: 17ecf

Square: 9603804001

Square Root: 313.04791965448356

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

a(n) = 80·n² - 1. A158774

Numbers having four 9's in base 10. A43528

Number of 2-connected outerplanar graphs on n labeled nodes. A97999

Numbers k such that 9·R_k+2 - 2·10^k is prime, where R_k = 11...1 is the repunit (A002275) of length k. A257040