Properties of the Number 61954

Sixty-One Thousand Nine Hundred Fifty-Four

Basics

Value: 61953 → 61954 → 61955

Parity: even

Prime: No

Previous Prime: 61949

Next Prime: 61961

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 30977

Divisors: 1, 2, 30977, 61954

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1111001000000010

Octal: 171002

Duodecimal: 2BA2A

Hexadecimal: f202

Square: 3838298116

Square Root: 248.90560459740556

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

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with each 3X3 subblock having the sum of its 72 absolute element differences equal to 52, and no adjacent elements equal. A234867

Number of (n+2)X(1+2) 0..3 arrays with each 3X3 subblock having the sum of its 72 absolute element differences equal to 52, and no adjacent elements equal. A234862

Number of (n+2) X (3+2) 0..3 arrays with each 3 X 3 subblock having the sum of its 72 absolute element differences equal to 52, and no adjacent elements equal. A234864

Numbers n such that n divides the (right) concatenation of all numbers <= n written in base 25 (most significant digit on right). A61954

Number of inequivalent (mod D₄) ways five checkers can be placed on an n X n board. A242358