Properties of the Number 7954

Seven Thousand Nine Hundred Fifty-Four

Basics

Value: 7953 → 7954 → 7955

Parity: even

Prime: No

Previous Prime: 7951

Next Prime: 7963

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 41 × 97

Divisors: 1, 2, 41, 82, 97, 194, 3977, 7954

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111100010010

Octal: 17422

Duodecimal: 472A

Hexadecimal: 1f12

Square: 63266116

Square Root: 89.1852005660132

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 k such that Bernoulli number B_k has denominator 498. A282773

Sphenic numbers (A007304) whose neighbors are sphenic. A248202

Numbers that are the sum of nine fourth powers in exactly six ways. A345848

T(n,k)=Half the number of nXk binary arrays with the number of 1-1 adjacencies equal to the number of 0-0 adjacencies. A183253

a(n) = (A278399(n)² + A278400(n)²)/2. A278420

a(n) is the smallest natural number m such that n^m + m is prime. A93324

Positions where A109890(n) = ∑_{i = 1..n-1} A109890(i). A111315

T(n,k)=Number of (n+1)X(n+1) 0..k arrays with each 2X2 subblock determinant nonzero and the array of 2X2 subblock determinants symmetric under horizontal and vertical reflection. A187699

Number of ordered triples (w,x,y) with all terms in {1,...,n} and w²<=x²+y². A211634

a(n) = ∑_k=0..n floor(sqrt(k))⁴. A363498