Properties of the Number 61356

Sixty-One Thousand Three Hundred Fifty-Six

Basics

Value: 61355 → 61356 → 61357

Parity: even

Prime: No

Previous Prime: 61343

Next Prime: 61357

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 5113

Divisors: 1, 2, 3, 4, 6, 12, 5113, 10226, 15339, 20452

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1110111110101100

Octal: 167654

Duodecimal: 2B610

Hexadecimal: efac

Square: 3764558736

Square Root: 247.70143318115865

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 binary sequences of length n that contain at least one contiguous subsequence 011. A232580

Irregular triangle read by rows: T(n,k) is the number of permutations in C_n (= the 1-cycles in S_n) having k stretching pairs. A216121

Triangle read by rows: T(n, k) is the number of labeled trees on n nodes with maximal node degree k (0 < k < n). A61356

G.f. satisfies: A(x) = ∑_n>=0 binomial(n*(n+1),n)/(n+1) * xⁿ/A(x)ⁿ. A295763