Properties of the Number -22487

Twenty-Two Thousand Four Hundred Eighty-Seven

Basics

Value: -22488 → -22487 → -22486

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 113 × 199

Divisors: 1, 113, 199, 22487

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101011111010111

Octal: -53727

Duodecimal: -1101B

Hexadecimal: -57d7

Square: 505665169

Square Root: 149.9566604055985

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: T(n,k) = the number of Dyck paths of semilength n with k UDDU's. A135306

Numbers n such that both n*π and n·e are within 1/sqrt(n) of integers. A208530

Number of Dyck paths of semilength n having exactly one occurrence of the consecutive pattern UDDU. A244235

Smallest k not a palindrome and not divisible by 10 such that k and R(k) (A004086) both are divisible by the n-th prime. A75605

Numbers n such that n, p=prime(n) and q=prime(p) have the same sum of digits. A261142