Properties of the Number 51121

Fifty-One Thousand One Hundred Twenty-One

Basics

Value: 51120 → 51121 → 51122

Parity: odd

Prime: No

Previous Prime: 51109

Next Prime: 51131

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 7 × 67 × 109

Divisors: 1, 7, 67, 109, 469, 763, 7303, 51121

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100011110110001

Octal: 143661

Duodecimal: 25701

Hexadecimal: c7b1

Square: 2613356641

Square Root: 226.09953560323825

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

Numbers n such that (nⁿ-2)/(n-2) is an integer. A242787

Triangle read by rows: T(n,k) is the number of 2-compositions of n having k odd entries (0<=k<=n) A 2-composition of n is a nonnegative matrix with two rows, such that each column has at least one nonzero entry and whose entries sum up to n. A181295

Numbers k such that -3 is a quadratic residue (not necessarily coprime) modulo k, k + 1, k + 2 and k + 3. A318527

Numbers with digital product = 10. A199990

Number of 5-element subsets of [n] having a prime element sum. A320680

Composite numbers whose product of digits is 10. A201057

Number of integer compositions of n with product n. A335405

Dates at fortnightly intervals starting on Jan 01 of a leap year in the Julian calendar. A51121