Properties of the Number 7951

Seven Thousand Nine Hundred Fifty-One

Basics

Value: 7950 → 7951 → 7952

Parity: odd

Prime: Yes

Previous Prime: 7949

Next Prime: 7963

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 7951

Divisors: 1, 7951

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 1111100001111

Octal: 17417

Duodecimal: 4727

Hexadecimal: 1f0f

Square: 63218401

Square Root: 89.1683800458436

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 partitions of n such that the set of parts and the set of multiplicities of parts are disjoint. A114639

Number of integer partitions of n with parts disjoint from first differences of parts, meaning no part is the difference of two consecutive parts. A363260

T(n,k)=Number of nondecreasing -k..k vectors of length n whose dot product with some other -k..k vector equals n. A226340

a(n)=A085956(3n). A86361

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A303513

Magic constants of 5 X 5 magic squares which consist of consecutive primes. A176571

Number of monosubstituted alkanes C(n)H(2n+1)-X of the form shown in the Comments lines that are not stereoisomers. A624

Fibonacci numbers written backwards. A4091

Numbers k such that 9·k = A048720(25,k), where A048720 is carryless base-2 multiplication. A115801

a(n) = total number of different ways a grasshopper can take n hops. A141002