Properties of the Number -59987

Fifty-Nine Thousand Nine Hundred Eighty-Seven

Basics

Value: -59988 → -59987 → -59986

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 38

Digital Root: 2

Palindrome: No

Factorization: 223 × 269

Divisors: 1, 223, 269, 59987

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1110101001010011

Octal: -165123

Duodecimal: -2A86B

Hexadecimal: -ea53

Square: 3598440169

Square Root: 244.92243670190774

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

Numbers k such that k and k+2 have the same number (A000005) and sum of divisors (A000203). A229254

n-th 4k+1 prime times n-th 4k-1 prime. A48630

Semiprimes sp such that sp plus its digit sum is a perfect square. A244733

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 31 ones. A31799

Solutions to φ(x + ω(x)) = φ(x) + d(x), where φ() = A000010(), d() = A000005() and ω() = A001221(). A63868

Numbers k such that A065608(k) = A065608(k+2). A65064

Composite numbers k such that if k = a U b (where U denotes concatenation) then a' + b' = k', where a', b' and k' are the arithmetic derivatives of a, b and k. A239724

Numbers k such that the sum of the numbers from 1 to k and that from 1 to k+1 share the same sum of divisors. A375819

Numbers k such that s(k) = s(k+2), where s(k) is the sum of odd divisors of k (A000593). A387920