Properties of the Number 67669

Sixty-Seven Thousand Six Hundred Sixty-Nine

Basics

Value: 67668 → 67669 → 67670

Parity: odd

Prime: No

Previous Prime: 67651

Next Prime: 67679

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 7 ² × 1381

Divisors: 1, 7, 49, 1381, 9667, 67669

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000100001010101

Octal: 204125

Duodecimal: 331B1

Hexadecimal: 10855

Square: 4579093561

Square Root: 260.13265846486865

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

24 'Reverse and Add' steps are needed to reach a palindrome. A65318

Triangle read by rows: T(n,k) is the number of Schroeder paths of length 2n and having k horizontal segments (a horizontal segment is a maximal string of horizontal steps). A104549

Coordination sequence T2 for Moganite, also for BGB1. A8259

Coordination sequence T1 for Moganite. A8258

a(n)=(5ⁿ)!/5^floor(5ⁿ/4). A67669

Number of perfect matchings in the P₇ X C_2n graph. A254635