Properties of the Number 60691

Sixty Thousand Six Hundred Ninety-One

Basics

Value: 60690 → 60691 → 60692

Parity: odd

Prime: No

Previous Prime: 60689

Next Prime: 60703

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 137 × 443

Divisors: 1, 137, 443, 60691

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1110110100010011

Octal: 166423

Duodecimal: 2B157

Hexadecimal: ed13

Square: 3683397481

Square Root: 246.3554342814463

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

Central heptanomial coefficients: largest coefficient of (1+x+...+x⁶)ⁿ. A25012

Square array read by diagonals: T(n,k) = number of arrays of n integers in -k..k with sum equal to 0. A201552

Triangle read by rows, T(n, k) = [x^k] (1-x)ⁿ⁺¹*∑_j=0..n binomial(n + n·j + j, n·j + j)*x^j. A108267

Doubly restricted composition numbers: number of compositions of 1+2+3+...+n = n(n+1)/2 into exactly n positive integers each no more than n. A77045

T(n,k)=Number of zero-sum nXk -3..3 arrays with every element unequal to at most two horizontal and vertical neighbors. A201958

The size of the largest antichain in the 7-dimensional hypercubic lattice of size n; also the coefficient of x^floor(7*(n-1)/2) in (1 + x + ... + x^n-1)⁷. A133458

Number of arrays of 7 integers in -n..n with sum zero. A201554

Smallest number k such that A049559(k) / A187730(k) = n. A284440

Strong pseudoprimes to base 15. A20241

Strong pseudoprimes to base 18. A20244