Properties of the Number 67999

Sixty-Seven Thousand Nine Hundred Ninety-Nine

Basics

Value: 67998 → 67999 → 68000

Parity: odd

Prime: No

Previous Prime: 67993

Next Prime: 68023

Digit Sum: 40

Digital Root: 4

Palindrome: No

Factorization: 53 × 1283

Divisors: 1, 53, 1283, 67999

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000100110011111

Octal: 204637

Duodecimal: 33427

Hexadecimal: 1099f

Square: 4623864001

Square Root: 260.76617878858445

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 k has nondecreasing digits and the k-th prime has nonincreasing digits. A116068

Least integer having a larger digital sum than the previous term and such that 10^n-1 + a(n) is a prime. A199190

Numbers k such that (k! - 1) == 0 (mod prime(k)). A67999