Properties of the Number -64170

Sixty-Four Thousand One Hundred Seventy

Basics

Value: -64171 → -64170 → -64169

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 5 × 23 × 31

Divisors: 1, 2, 3, 5, 6, 9, 10, 15, 18, 23

Polygonal

Triangular: No

Square: No

Pentagonal: Yes

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -1111101010101010

Octal: -175252

Duodecimal: -31176

Hexadecimal: -faaa

Square: 4117788900

Square Root: 253.31798199101462

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 that are the sum of 7 positive 10th powers. A4807

T(n,k)=Number of nXk 0..1 arrays with no element equal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with new values introduced in order 0 sequentially upwards. A279384

Number of compositions of n with no part circularly followed by a divisor or a multiple. A328599

High temperature series for spin-1/2 Ising magnetic susceptibility on 5D simple cubic lattice. A10579

Least pentagonal number P(m) > P(n) such that P(m)+P(n) is again a pentagonal number, 0 if no such m exists. A136114

Those primitive elements of A337386 that have exactly one primitive nondeficient divisor (A006039). A341604

E.g.f. A(x) satisfies A(A(A(A(A(x))))) = x·exp(5·x). A372745

One-half of averages of twin prime pairs of A001318. A154565

Number of nX3 0..1 arrays with no element equal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with new values introduced in order 0 sequentially upwards. A279379