Properties of the Number 72215

Seventy-Two Thousand Two Hundred Fifteen

Basics

Value: 72214 → 72215 → 72216

Parity: odd

Prime: No

Previous Prime: 72211

Next Prime: 72221

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 5 × 11 × 13 × 101

Divisors: 1, 5, 11, 13, 55, 65, 101, 143, 505, 715

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001101000010111

Octal: 215027

Duodecimal: 3595B

Hexadecimal: 11a17

Square: 5215006225

Square Root: 268.72848751109365

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

Lexicographically first sequence of positive integers such that all disjoint equivalent sets of K terms have distinct sums for 1 <= K <= 4. A349777

Number of (n+2)X(5+2) 0..4 arrays with every consecutive three elements in every row and column not having exactly two distinct values, and in every diagonal and antidiagonal having exactly two distinct values, and new values 0 upwards introduced in row major order. A252808

Tetraprimes (or products of exactly four distinct prime numbers) that are the sum of two successive tetraprimes. A380348

T(n,k)=Number of (n+2)X(k+2) 0..4 arrays with every consecutive three elements in every row and column not having exactly two distinct values, and in every diagonal and antidiagonal having exactly two distinct values, and new values 0 upwards introduced in row major order. A252811

a(0) = 4; for n >= 0, a(n+1) = number of partitions of a(n). A72215

A triangle sequence of holes in a triangle sequence numbering of n³+m³ (A003325) by comparing the n level to the 2·n level. A143186