Properties of the Number 61105

Sixty-One Thousand One Hundred Five

Basics

Value: 61104 → 61105 → 61106

Parity: odd

Prime: No

Previous Prime: 61099

Next Prime: 61121

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 5 × 11 ² × 101

Divisors: 1, 5, 11, 55, 101, 121, 505, 605, 1111, 5555

Polygonal

Triangular: No

Square: No

Pentagonal: Yes

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1110111010110001

Octal: 167261

Duodecimal: 2B441

Hexadecimal: eeb1

Square: 3733821025

Square Root: 247.19425559668656

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 that are the sum of 11 positive 10th powers. A4811

Pentagonal numbers (A000326) that are the product of 2 palindromes greater than 1. A115745

a(n) = A099009(n)/9. A132155

Partial sums of A299894. A299895

Smallest number whose sum of digits is n³. A61105

Integers n such that the 'Reverse and Add!' trajectory of n joins the trajectory of 100. A70794