Properties of the Number 29961

Twenty-Nine Thousand Nine Hundred Sixty-One

Basics

Value: 29960 → 29961 → 29962

Parity: odd

Prime: No

Previous Prime: 29959

Next Prime: 29983

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 3329

Divisors: 1, 3, 9, 3329, 9987, 29961

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111010100001001

Octal: 72411

Duodecimal: 15409

Hexadecimal: 7509

Square: 897661521

Square Root: 173.09246084101989

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

Centered 4-dimensional orthoplex numbers (crystal ball sequence for 4-dimensional cubic lattice). A1846

Odd composites k such that σ(k) has the same powerful part as k, where σ is the sum of divisors function. A386425

Triangle read by rows: T(n,k) = number of heapable permutations of length n with exactly k consecutive pairs. A389993

Terms k of A228058 such that gcd(k - A048250(k), A162296(k) - k) = A162296(k) - k. A325376

Numbers k such that if you subtract k-reversed from k you get a natural number with the same digits as k. A121969

Numbers k in A228058 such that also A001065(k) is in A228058. A325380

A symmetric number triangle based on 2ⁿ. A108477

Numbers a = b + c where a, b, and c contain the same decimal digits. A203024

Left-hand half of triangle A297191. A297192

Number of nodes in virtual, "optimal", chordal graphs of diameter 4 and degree n+1. A67956