Properties of the Number 10121

Ten Thousand One Hundred Twenty-One

Basics

Value: 10120 → 10121 → 10122

Parity: odd

Prime: No

Previous Prime: 10111

Next Prime: 10133

Digit Sum: 5

Digital Root: 5

Palindrome: No

Factorization: 29 × 349

Divisors: 1, 29, 349, 10121

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011110001001

Octal: 23611

Duodecimal: 5A35

Hexadecimal: 2789

Square: 102434641

Square Root: 100.60318086422517

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

Number of partitions where no part is a multiple of 9. A104502

Numbers n such that sum of digits = number of digits. A61384

Expansion of x*(1-x)/(1 - 22·x + x²). A157014

Coefficients of monic irreducible polynomials over GF(3) listed in lexicographic order. A58944

T(n,k)=Number of lower triangles of an (n+2k-2)X(n+2k-2) 0..k array with new values introduced in row major order 0..k and no element unequal to more than one horizontal or vertical neighbor. A194778

Concentric 20-gonal numbers. A195148

a(n) = ∑_k=1..n gcd(k, n)³. A343497

T(n,k)=Number of nXk 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4. A239986

Coefficients of monic irreducible polynomials over GF(4) listed in lexicographic order. A58948

Centered 40-gonal numbers. A195317