Properties of the Number 51617

Fifty-One Thousand Six Hundred Seventeen

Basics

Value: 51616 → 51617 → 51618

Parity: odd

Prime: No

Previous Prime: 51613

Next Prime: 51631

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 71 × 727

Divisors: 1, 71, 727, 51617

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100100110100001

Octal: 144641

Duodecimal: 25A55

Hexadecimal: c9a1

Square: 2664314689

Square Root: 227.19374991403262

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

Number of singular 2 X 2 matrices having all elements in {-n,...,n}. A209981

Put the natural numbers together without spaces and read them five at a time advancing one space each time. A193493

Natural numbers written out with their digits grouped in sets of 5 (leading zeros omitted). A91341

The numbers of people such that, in the variant of the Josephus problem in which three people are skipped and then one is eliminated, the last person is the last to be eliminated. A385333

a(n) = (4·n+5)(!⁴)/5(!⁴), related to A007696(n+1) ((4·n+1)(!⁴) quartic, or 4-factorials). A51617