Properties of the Number 31061

Thirty-One Thousand Sixty-One

Basics

Value: 31060 → 31061 → 31062

Parity: odd

Prime: No

Previous Prime: 31051

Next Prime: 31063

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 89 × 349

Divisors: 1, 89, 349, 31061

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 111100101010101

Octal: 74525

Duodecimal: 15B85

Hexadecimal: 7955

Square: 964785721

Square Root: 176.24131184259835

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..1 arrays with every element equal to 1 or 2 horizontally or antidiagonally adjacent elements, with upper left element zero. A301823

Number of rooted trees with n nodes and 9 leaves. A55284

Number of length 5+2 0..n arrays with every three consecutive terms having the sum of some two elements equal to twice the third. A248438

Number of n X n 0..1 arrays with every element equal to 1 or 2 horizontally or antidiagonally adjacent elements, with upper left element zero. A301818

Number of nX6 0..1 arrays with every element equal to 1 or 2 horizontally or antidiagonally adjacent elements, with upper left element zero. A301821

Number of 6Xn 0..1 arrays with every element equal to 1 or 2 horizontally or antidiagonally adjacent elements, with upper left element zero. A301827

L.g.f.: log(∑_k>=0 k! * x^{k*(k + 1}/2) / ∏_j=1..k (1 - x^j)). A331337

Array read by upward antidiagonals: A(n, k) = A371094(A(n-1, k)) for n > 1, k >= 1; A(1, k) = A372443(k-1). A372560

Position of n-th 3 in A031057. A31061