Properties of the Number 64216

Sixty-Four Thousand Two Hundred Sixteen

Basics

Value: 64215 → 64216 → 64217

Parity: even

Prime: No

Previous Prime: 64189

Next Prime: 64217

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ³ × 23 × 349

Divisors: 1, 2, 4, 8, 23, 46, 92, 184, 349, 698

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1111101011011000

Octal: 175330

Duodecimal: 311B4

Hexadecimal: fad8

Square: 4123694656

Square Root: 253.4087607009671

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

Digits d in decimal expansion of n replaced with d³. A48390

Numbers which are the sum of two positive cubes and divisible by 23. A101806

First differences (A131771) equal this sequence with terms repeated at positions: {m*(m+1)/2, m>=0}. A131770

First differences (A131772) equal this sequence with zeros inserted at positions {m*(m+1)/2, m>=0}. A131771

Partial sums (A131771) equal this sequence excluding zeros located at positions {m*(m+1)/2, m>=0}, with a(0)=1. A131772

Numbers n with property that for each single digit d of n, we can also see the decimal expansion of 2^d as a substring of n. Also n may not contain any zero digits. A135016

Number of n X 5 0..1 arrays with new values 0..1 introduced in row major order and no element equal to more than one of its immediate leftward or upward or right-upward antidiagonal neighbors. A208634

Numbers k such that 39·2^k + 5 is prime. A393387

Replace each p^e with prevprime(p)^e in the prime factorization of odd numbers; inverse of sequence A048673 considered as a permutation of the natural numbers. A64216

T(n,k)=Number of nXk 0..1 arrays with new values 0..1 introduced in row major order and no element equal to more than one of its immediate leftward or upward or right-upward antidiagonal neighbors. A208637