Properties of the Number 60991

Sixty Thousand Nine Hundred Ninety-One

Basics

Value: 60990 → 60991 → 60992

Parity: odd

Prime: No

Previous Prime: 60961

Next Prime: 61001

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 7 × 8713

Divisors: 1, 7, 8713, 60991

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1110111000111111

Octal: 167077

Duodecimal: 2B367

Hexadecimal: ee3f

Square: 3719902081

Square Root: 246.9635600650428

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

Triangle read by rows, arising in enumeration of permutations by cyclic peaks, cycles and fixed points. A216963

Numbers k such that 10^k + 123456789 is prime. A248349

Number of unlabeled rooted trees with n nodes such that the minimal outdegree of inner nodes equals 2. A244456

Number of partitions of n into distinct parts with boundary size 10. A227567

Number of n X 2 0..3 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4. A241429

Expansion of 1/((1-3x)(1-6x)(1-7x)(1-9x)). A28075

Triangle read by rows, related to Bell numbers A000110: A216963 interlaced with A217202. A217205

a(n) is the smallest positive integer c such that the equation A049820(x) = c has exactly n solutions. A60991