Properties of the Number 82628

Eighty-Two Thousand Six Hundred Twenty-Eight

Basics

Value: 82627 → 82628 → 82629

Parity: even

Prime: No

Previous Prime: 82619

Next Prime: 82633

Digit Sum: 26

Digital Root: 8

Palindrome: Yes

Factorization: 2 ² × 7 × 13 × 227

Divisors: 1, 2, 4, 7, 13, 14, 26, 28, 52, 91

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10100001011000100

Octal: 241304

Duodecimal: 3B998

Hexadecimal: 142c4

Square: 6827386384

Square Root: 287.4508653665875

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

a(n) = ∑_{k=0..floor(n/4)} C(n-3·k,k+1). A98578

Palindromic Smith numbers. A98834

Smallest multiple of n which begins with R(n) and ends in n where R(n) (A004086) is the digit reversal of n. Suitable number of zeros are assumed to the left of the MSD if required. A77741

Palindromic numbers that are also Niven numbers and Smith numbers. A334528

Smallest palindromic multiple of n in which the digit string of n appears as sandwiched between at least a pair of digits, or 0 if n = 10k or no such number exists. A84043

Numbers k such that the last 9 digits of the k-th Lucas number are 1-9 pandigital. A216488

Smallest palindromic multiple of n in which n is a substring (anywhere), or 0 if n = 10k or no such number exists. A84044

Sum over all 2²ⁿ pairs (u,v) of binary sequences of length n of length of maximal common subsequence between them. A27433

Duplicate of A028978. A82628