Properties of the Number 14991

Fourteen Thousand Nine Hundred Ninety-One

Basics

Value: 14990 → 14991 → 14992

Parity: odd

Prime: No

Previous Prime: 14983

Next Prime: 15013

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 19 × 263

Divisors: 1, 3, 19, 57, 263, 789, 4997, 14991

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11101010001111

Octal: 35217

Duodecimal: 8813

Hexadecimal: 3a8f

Square: 224730081

Square Root: 122.43773928001121

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

Least number that requires exactly n iterations of f(x) = reverse(x) - maxdigit(x) to reach zero. A97156

Numbers that set a new record for the number of iterations needed to reach 0 under f(x) = reverse(x) - maxdigit(x). A97158

Expansion of 1/( (1-x)*(1 + x² + x³) ). A77889

a(n) is the least value of k such that the decimal expansion of n^k contains nine consecutive identical digits. A217164

McKay-Thompson series of class 39A for Monster. A58659

Index of record values in A247190. A250985

Number of compositions of n such that every subsequence has a different sum. A335357

Truncated triangular pyramid numbers: a(n) = (n-7)*(n² + 10·n - 108)/6, n >= 8. A51941

Difference between the n-th partial sum of the squares (A000330) and the n-th partial sum of the primes (A007504). A108753

Partial sums of A301692. A301693