Properties of the Number 62121

Sixty-Two Thousand One Hundred Twenty-One

Basics

Value: 62120 → 62121 → 62122

Parity: odd

Prime: No

Previous Prime: 62119

Next Prime: 62129

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 20707

Divisors: 1, 3, 20707, 62121

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1111001010101001

Octal: 171251

Duodecimal: 2BB49

Hexadecimal: f2a9

Square: 3859018641

Square Root: 249.24084737458264

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 9 positive 9th powers. A3398

Numbers that are the sum of 4 nonzero 10th powers. A4804

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the minimum plus the upper median equal to the lower median plus the maximum in every 2X2 subblock. A235884

Numbers k such that sum of the divisors of k equals the sum of the reversals of the divisors of k. Numbers with all palindrome divisors are not in the sequence. A196677

Consider all sublists of [(2,1),(3,2,1),(4,3,2,1),...,(n,...,4,3,2,1)] and multiply these permutations in that order. How many of the products are n-cycles? A68330

Number of (n+1) X (1+1) 0..2 arrays with the minimum plus the upper median equal to the lower median plus the maximum in every 2 X 2 subblock. A235877

Numbers that are the sum of at most 4 nonzero 10th powers. A4899

Numbers that are the sum of at most 5 nonzero 10th powers. A4900

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X3 or 3X2 subblock having exactly two equal edges, and new values 0..3 introduced in row major order. A206238

Squarefree numbers k such that for all factorizations of k as x·y, the sum (x·y') + (x' * y) is carryless when the addition is done in the primorial base, A049345. Here n' stands for A003415(n), the arithmetic derivative of n. A380525