Properties of the Number -55646

Fifty-Five Thousand Six Hundred Forty-Six

Basics

Value: -55647 → -55646 → -55645

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 27823

Divisors: 1, 2, 27823, 55646

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1101100101011110

Octal: -154536

Duodecimal: -28252

Hexadecimal: -d95e

Square: 3096477316

Square Root: 235.8940440112891

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

a(n) = ∑_k=1..n 2^k * σ(k), where σ(k) = A000203(k). A324915

G.f. satisfies A(x) = 1 + x³ + x·A(x)⁴. A367043

Numbers k whose decimal representation ends with that of π(k) (where π denotes the prime counting function A000720). A306572

Numbers k such that the value π(k), the number of primes <= k, can be obtained deleting some of the repeating adjacent digits of k. A113898