Properties of the Number -15551

Fifteen Thousand Five Hundred Fifty-One

Basics

Value: -15552 → -15551 → -15550

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: Yes

Factorization: 15551

Divisors: 1, 15551

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11110010111111

Octal: -36277

Duodecimal: -8BBB

Hexadecimal: -3cbf

Square: 241833601

Square Root: 124.70364870363657

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

Coefficients of Airey's converging factor. A1662

For each n there are uniquely determined numbers a(n) and b(n) and a polynomial p_n(x) such that for all integers m we have ∑_i=1..miⁿ(i+1)! = a(n)*∑_i=1..m (i+1)! + p_n(m)*(m+2)! + b(n). The sequence b(n) is A074052. A74051

Numerators in expansion of W(exp(x)) about x=1, where W is the Lambert function. A274447

Palindromic primes: prime numbers whose decimal expansion is a palindrome. A2385

Class 1+ primes: primes of the form 2ⁱ*3^j - 1 with i, j >= 0. A5105

Primes having only {0, 1, 5} as digits. A199325

Primes that contain digits 1 and 5 only. A20453

Smallest palindromic prime containing exactly n 5's. A83976

Primes having only {1, 5, 7} as digits. A260828

Prime power decimal palindromes. A84092