Properties of the Number 61289

Sixty-One Thousand Two Hundred Eighty-Nine

Basics

Value: 61288 → 61289 → 61290

Parity: odd

Prime: No

Previous Prime: 61283

Next Prime: 61291

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 167 × 367

Divisors: 1, 167, 367, 61289

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1110111101101001

Octal: 167551

Duodecimal: 2B575

Hexadecimal: ef69

Square: 3756341521

Square Root: 247.56615277537438

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

Composite and every divisor (except 1) contains the digit 6. A62674

Denominator of the maximum expected number of steps of a random walk on the cells of the hexagonal lattice before it lands on a mined cell, given that all but n cells are mined. A369369

a(n) = floor(binomial(n,8)/8). A11854

Semiprimes in A103374. A103394

Consider a network of triangles consisting of an equilateral triangle divided into n² equilateral triangles plus a circle connecting the vertices of the main triangle. Sequence gives minimal number of corner turns required to trace the network in one continuous line. A61289