Properties of the Number 7162

Seven Thousand One Hundred Sixty-Two

Basics

Value: 7161 → 7162 → 7163

Parity: even

Prime: No

Previous Prime: 7159

Next Prime: 7177

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 3581

Divisors: 1, 2, 3581, 7162

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101111111010

Octal: 15772

Duodecimal: 418A

Hexadecimal: 1bfa

Square: 51294244

Square Root: 84.62860036654276

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

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(0) + b(1) + ... + b(n-1), where a(0) = 1, a(1) = 2, b(0) = 3, and (a(n)) and (b(n)) are increasing complementary sequences. A295053

Least k such that decimal representation of k·n contains only digits 0 and 2. A96681

A(n,k) is the n-th positive integer that has exactly k representations of the form 1 + p1 * (1 + p2* ... * (1 + p_j)...), where [p1, ..., p_j] is a (possibly empty) list of distinct primes; square array A(n,k), n>=1, k>=0, read by antidiagonals. A317390

Matula-Goebel numbers of semi-lone-child-avoiding rooted identity trees. A331963

a(n) = 7·2ⁿ - 6. A48489

Number of 2-element intersecting families (with not necessarily distinct sets) of an n-element set. A53154

a(n+1)-+a(n)=prime, a(n+1)*a(n)=Average of twin prime pairs, a(1)=2,a(2)=9. A154495

Sum of the smallest parts in the partitions of n into 7 parts. A308927

Total number of parts coprime to n in the partitions of n into 10 parts. A363328

a(n) = a(n-1) + 2·a(n-4) - 2·a(n-5) for n >= 5, where a(0) = 2, a(1) = 4, a(2) = 6, a(3) = 8, a(4) = 10. A288732