Properties of the Number 72030

Seventy-Two Thousand Thirty

Basics

Value: 72029 → 72030 → 72031

Parity: even

Prime: No

Previous Prime: 72019

Next Prime: 72031

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 5 × 7 ⁴

Divisors: 1, 2, 3, 5, 6, 7, 10, 14, 15, 21

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10001100101011110

Octal: 214536

Duodecimal: 35826

Hexadecimal: 1195e

Square: 5188320900

Square Root: 268.38405317753137

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

Regular triangle where T(n,k) is the number of clutters (connected antichains) on n + 1 vertices with k maximal blobs (2-connected components). A317672

Numbers whose k-th arithmetic derivative is zero for some k>0, ordered by their position in A276086. A351255

Number T(n,k) of endofunctions on [n] where the largest cycle length equals k; triangle T(n,k), n>=0, 0<=k<=n, read by rows. A241981

Numbers k > 1 such that, in base 7, k and k² contain the same digits in the same proportion. A61661

Triangle R, read by rows, where column k of R equals column 0 of P^2k+1 where P=A135880. A135894

Denominator of Bernoulli(n, 1/7). A158475

Main transitions in systems of n particles with spin 3. A212701

Twisted variant of A276086 indexed by A328626. A328627

12-gonal (or dodecagonal) pyramidal numbers: a(n) = n*(n+1)*(10·n-7)/6. A7587

Number of endofunctions of [n] with a cycle a->b->c->a and for all·in [n], some iterate f^k(x)=a. A65513