Properties of the Number 71956

Seventy-One Thousand Nine Hundred Fifty-Six

Basics

Value: 71955 → 71956 → 71957

Parity: even

Prime: No

Previous Prime: 71947

Next Prime: 71963

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 17989

Divisors: 1, 2, 4, 17989, 35978, 71956

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001100100010100

Octal: 214424

Duodecimal: 35784

Hexadecimal: 11914

Square: 5177665936

Square Root: 268.2461556108493

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 nXk 0..2 arrays with new values 0..2 introduced in row major order and no element equal to more than two of its immediate leftward or upward or left-upward diagonal neighbors. A208322

Number of -2..2 arrays x(0..n-1) of n elements with zero sum and elements alternately strictly increasing and strictly decreasing. A200051

Number of n X 3 0..2 arrays with new values 0..2 introduced in row major order and no element equal to more than two of its immediate leftward or upward or left-upward diagonal neighbors. A208317

Number of n X 4 0..2 arrays with new values 0..2 introduced in row major order and no element equal to more than two of its immediate leftward or upward or left-upward diagonal neighbors. A208318

Number of binary shuffle squares of length 2n with prefix 0, that can be obtained from a unique binary word of length n. A384705

Number of tilings of an n X 10 rectangle using integer-sided rectangular tiles of area n. A220135

Table in which n-th row list prime factors and their exponents in factorization of prime(n)!. A71956