Properties of the Number 99145

Ninety-Nine Thousand One Hundred Forty-Five

Basics

Value: 99144 → 99145 → 99146

Parity: odd

Prime: No

Previous Prime: 99139

Next Prime: 99149

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 5 × 79 × 251

Divisors: 1, 5, 79, 251, 395, 1255, 19829, 99145

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000001101001001

Octal: 301511

Duodecimal: 49461

Hexadecimal: 18349

Square: 9829731025

Square Root: 314.8729902675045

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 k such that sopf(k) = (1/2)*(sopf(k+1) + sopf(k-1)), where sopf(x) = sum of the distinct prime factors of x. A75846

Numbers k such that φ(5k+1) = σ(k). A67226

Numbers in base 10 that are palindromic in bases 7 and 8. A99145