Properties of the Number 67989

Sixty-Seven Thousand Nine Hundred Eighty-Nine

Basics

Value: 67988 → 67989 → 67990

Parity: odd

Prime: No

Previous Prime: 67987

Next Prime: 67993

Digit Sum: 39

Digital Root: 3

Palindrome: No

Factorization: 3 × 131 × 173

Divisors: 1, 3, 131, 173, 393, 519, 22663, 67989

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000100110010101

Octal: 204625

Duodecimal: 33419

Hexadecimal: 10995

Square: 4622504121

Square Root: 260.74700381787704

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

G.f. A(x) satisfies: A(x) = (1/(1 - x)) * A(x²)²*A(x³)³*A(x⁴)⁴* ... *A(x^k)^k* ... A307604

Numbers k such that k² is composed of three 1-digit-overlapping subsquares. A48426

Row sums of triangle A067979; also of triangle A067990. A67989